22456920868 has 12 divisors (see below), whose sum is σ = 39464046720. Its totient is φ = 11181478952.

The previous prime is 22456920853. The next prime is 22456920877. The reversal of 22456920868 is 86802965422.

It is a super-2 number, since 2×22456920868² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11744296 + ... + 11746207.

It is an arithmetic number, because the mean of its divisors is an integer number (3288670560).

Almost surely, 2^22456920868 is an apocalyptic number.

It is an amenable number.

22456920868 is a deficient number, since it is larger than the sum of its proper divisors (17007125852).

22456920868 is a wasteful number, since it uses less digits than its factorization.

22456920868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23490746 (or 23490744 counting only the distinct ones).

The product of its (nonzero) digits is 3317760, while the sum is 52.

The spelling of 22456920868 in words is "twenty-two billion, four hundred fifty-six million, nine hundred twenty thousand, eight hundred sixty-eight".