22956942656 has 56 divisors (see below), whose sum is σ = 45970277376. Its totient is φ = 11374110720.

The previous prime is 22956942649. The next prime is 22956942661. The reversal of 22956942656 is 65624965922.

It is a super-2 number, since 2×22956942656² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10622216 + ... + 10624376.

Almost surely, 2^22956942656 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22956942656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22985138688).

22956942656 is an abundant number, since it is smaller than the sum of its proper divisors (23013334720).

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

22956942656 is a wasteful number, since it uses less digits than its factorization.

22956942656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3607 (or 3597 counting only the distinct ones).

The product of its digits is 13996800, while the sum is 56.

The spelling of 22956942656 in words is "twenty-two billion, nine hundred fifty-six million, nine hundred forty-two thousand, six hundred fifty-six".