22657257216 has 108 divisors (see below), whose sum is σ = 71265306840. Its totient is φ = 6865827840.

The previous prime is 22657257191. The next prime is 22657257281. The reversal of 22657257216 is 61275275622.

22657257216 is a `hidden beast` number, since 2 + 2 + 6 + 5 + 72 + 572 + 1 + 6 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 421651 + ... + 472338.

Almost surely, 2^22657257216 is an apocalyptic number.

It is an amenable number.

22657257216 is an abundant number, since it is smaller than the sum of its proper divisors (48608049624).

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

22657257216 is a wasteful number, since it uses less digits than its factorization.

22657257216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 894022 (or 894005 counting only the distinct ones).

The product of its digits is 705600, while the sum is 45.

The spelling of 22657257216 in words is "twenty-two billion, six hundred fifty-seven million, two hundred fifty-seven thousand, two hundred sixteen".