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222122020020222 = 237231991446179903
BaseRepresentation
bin110010100000010011010000…
…000110011001111111111110
31002010110122202111010200111110
4302200103100012121333332
5213103221344111121342
62104225240341102450
764533533503033620
oct6240232006317776
91063418674120443
10222122020020222
1164858468657393
1220ab489b0b7a26
1396c302a65807a
143cbca98064c10
151aa2d843c2c9c
hexca04d0199ffe

222122020020222 has 128 divisors (see below), whose sum is σ = 532487415398400. Its totient is φ = 60394175994240.

The previous prime is 222122020020193. The next prime is 222122020020269. The reversal of 222122020020222 is 222020020221222.

222122020020222 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2779855923 + ... + 2779935825.

It is an arithmetic number, because the mean of its divisors is an integer number (4160057932800).

Almost surely, 2222122020020222 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 222122020020222, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (266243707699200).

222122020020222 is an abundant number, since it is smaller than the sum of its proper divisors (310365395378178).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

222122020020222 is a wasteful number, since it uses less digits than its factorization.

222122020020222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94598.

The product of its (nonzero) digits is 1024, while the sum is 21.

Adding to 222122020020222 its reverse (222020020221222), we get a palindrome (444142040241444).

The spelling of 222122020020222 in words is "two hundred twenty-two trillion, one hundred twenty-two billion, twenty million, twenty thousand, two hundred twenty-two".

Divisors: 1 2 3 6 7 14 21 23 42 46 69 138 161 199 322 398 483 597 966 1194 1393 2786 4179 4577 8358 9154 13731 14461 27462 28922 32039 43383 64078 79903 86766 96117 101227 159806 192234 202454 239709 303681 332603 479418 559321 607362 665206 997809 1118642 1677963 1837769 1995618 2328221 2877739 3355926 3675538 4656442 5513307 5755478 6984663 8633217 11026614 12864383 13969326 15900697 17266434 20144173 25728766 31801394 38593149 40288346 47702091 60432519 66187997 77186298 95404182 111304879 120865038 132375994 198563991 222609758 333914637 365716031 397127982 463315979 667829274 731432062 926631958 1097148093 1155477283 1389947937 2194296186 2310954566 2560012217 2779895874 3466431849 5120024434 6932863698 7680036651 8088340981 15360073302 16176681962 24265022943 26575977509 48530045886 53151955018 79727932527 159455865054 186031842563 229939979317 372063685126 459879958634 558095527689 689819937951 1116191055378 1379639875902 1609579855219 3219159710438 4828739565657 5288619524291 9657479131314 10577239048582 15865858572873 31731717145746 37020336670037 74040673340074 111061010010111 222122020020222