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22257390804 = 22311168616597
BaseRepresentation
bin10100101110101001…
…001101010011010100
32010110011012121021120
4110232221031103110
5331040343001204
614120325043540
71415362462125
oct245651152324
963404177246
1022257390804
119491798160
124391b565b0
13213928173c
14111202204c
158a40226d9
hex52ea4d4d4

22257390804 has 24 divisors (see below), whose sum is σ = 56655176928. Its totient is φ = 6744663840.

The previous prime is 22257390739. The next prime is 22257390809. The reversal of 22257390804 is 40809375222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22257390809) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 84308167 + ... + 84308430.

It is an arithmetic number, because the mean of its divisors is an integer number (2360632372).

Almost surely, 222257390804 is an apocalyptic number.

It is an amenable number.

22257390804 is an abundant number, since it is smaller than the sum of its proper divisors (34397786124).

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

22257390804 is a wasteful number, since it uses less digits than its factorization.

22257390804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168616615 (or 168616613 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 42.

The spelling of 22257390804 in words is "twenty-two billion, two hundred fifty-seven million, three hundred ninety thousand, eight hundred four".

Divisors: 1 2 3 4 6 11 12 22 33 44 66 132 168616597 337233194 505849791 674466388 1011699582 1854782567 2023399164 3709565134 5564347701 7419130268 11128695402 22257390804