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30222212022 = 23319101291647
BaseRepresentation
bin11100001001011000…
…100101101110110110
32220000020102102222000
4130021120211232312
5443343341241042
621514530520130
72116635364212
oct341130455666
986006372860
1030222212022
11118a9718232
125a35436046
132b084285c2
141669b6d942
15bbd3be74c
hex709625bb6

30222212022 has 64 divisors (see below), whose sum is σ = 71395430400. Its totient is φ = 9449330400.

The previous prime is 30222211993. The next prime is 30222212023. The reversal of 30222212022 is 22021222203.

30222212022 is a `hidden beast` number, since 302 + 222 + 120 + 22 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 30222211986 and 30222212004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30222212023) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 42198 + ... + 249449.

It is an arithmetic number, because the mean of its divisors is an integer number (1115553600).

Almost surely, 230222212022 is an apocalyptic number.

30222212022 is an abundant number, since it is smaller than the sum of its proper divisors (41173218378).

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

30222212022 is a wasteful number, since it uses less digits than its factorization.

30222212022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 291778 (or 291772 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

Adding to 30222212022 its reverse (22021222203), we get a palindrome (52243434225).

The spelling of 30222212022 in words is "thirty billion, two hundred twenty-two million, two hundred twelve thousand, twenty-two".

Divisors: 1 2 3 6 9 18 19 27 38 54 57 101 114 171 202 303 342 513 606 909 1026 1818 1919 2727 3838 5454 5757 11514 17271 34542 51813 103626 291647 583294 874941 1749882 2624823 5249646 5541293 7874469 11082586 15748938 16623879 29456347 33247758 49871637 58912694 88369041 99743274 149614911 176738082 265107123 299229822 530214246 559670593 795321369 1119341186 1590642738 1679011779 3358023558 5037035337 10074070674 15111106011 30222212022