22865072 has 10 divisors (see below), whose sum is σ = 44301108. Its totient is φ = 11432528.

The previous prime is 22865071. The next prime is 22865099. The reversal of 22865072 is 27056822.

It is not an unprimeable number, because it can be changed into a prime (22865071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 714518 + ... + 714549.

Almost surely, 2^22865072 is an apocalyptic number.

It is an amenable number.

22865072 is a deficient number, since it is larger than the sum of its proper divisors (21436036).

22865072 is a wasteful number, since it uses less digits than its factorization.

22865072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1429075 (or 1429069 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 32.

The square root of 22865072 is about 4781.7436150425. The cubic root of 22865072 is about 283.8294949565.

The spelling of 22865072 in words is "twenty-two million, eight hundred sixty-five thousand, seventy-two".