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7022202212221 = 731031638831381
BaseRepresentation
bin110011000101111101111…
…0111100100111101111101
3220212022112100100012212121
41212023323313210331331
51410022432231242341
622533542152002541
71323223500646000
oct146137367447575
926768470305777
107022202212221
112268110097a69
12954b49390451
133bc26332a801
141a3c3abb3537
15c29e49724d1
hex662fbde4f7d

7022202212221 has 64 divisors (see below), whose sum is σ = 8334844211200. Its totient is φ = 5913031440960.

The previous prime is 7022202212197. The next prime is 7022202212227. The reversal of 7022202212221 is 1222122022207.

It is not a de Polignac number, because 7022202212221 - 25 = 7022202212189 is a prime.

It is a super-2 number, since 2×70222022122212 (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7022202212227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5084866951 + ... + 5084868331.

It is an arithmetic number, because the mean of its divisors is an integer number (130231940800).

Almost surely, 27022202212221 is an apocalyptic number.

It is an amenable number.

7022202212221 is a deficient number, since it is larger than the sum of its proper divisors (1312641998979).

7022202212221 is a wasteful number, since it uses less digits than its factorization.

7022202212221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2551 (or 2537 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 25.

Adding to 7022202212221 its reverse (1222122022207), we get a palindrome (8244324234428).

The spelling of 7022202212221 in words is "seven trillion, twenty-two billion, two hundred two million, two hundred twelve thousand, two hundred twenty-one".

Divisors: 1 7 49 103 163 343 721 883 1141 1381 5047 6181 7987 9667 16789 35329 43267 55909 67669 90949 117523 142243 143929 225103 302869 473683 636643 822661 995701 1007503 1219423 1575721 4456501 5758627 6969907 7052521 8535961 11030047 14824687 23185609 31195507 48789349 49367647 59751727 77210329 103772809 125600569 162299263 198765949 418262089 726409663 879203983 1136094841 1391361643 5084867641 6154427881 7952663887 9739531501 20472892747 43080995167 68176720507 143310249229 1003171744603 7022202212221