22943972 has 24 divisors (see below), whose sum is σ = 42287616. Its totient is φ = 10871168.

The previous prime is 22943957. The next prime is 22943989. The reversal of 22943972 is 27934922.

It is a super-2 number, since 2×22943972² = 1052851702273568, which contains 22 as substring.

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, 9293 + ... + 11499.

It is an arithmetic number, because the mean of its divisors is an integer number (1761984).

Almost surely, 2^22943972 is an apocalyptic number.

It is an amenable number.

22943972 is a deficient number, since it is larger than the sum of its proper divisors (19343644).

22943972 is a wasteful number, since it uses less digits than its factorization.

22943972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2347 (or 2345 counting only the distinct ones).

The product of its digits is 54432, while the sum is 38.

The square root of 22943972 is about 4789.9866388123. The cubic root of 22943972 is about 284.1555882236.

The spelling of 22943972 in words is "twenty-two million, nine hundred forty-three thousand, nine hundred seventy-two".