22725312 has 28 divisors (see below), whose sum is σ = 60127896. Its totient is φ = 7575040.

The previous prime is 22725281. The next prime is 22725341. The reversal of 22725312 is 21352722.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

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, 58989 + ... + 59372.

Almost surely, 2^22725312 is an apocalyptic number.

It is an amenable number.

22725312 is an abundant number, since it is smaller than the sum of its proper divisors (37402584).

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

22725312 is a wasteful number, since it uses less digits than its factorization.

22725312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118376 (or 118366 counting only the distinct ones).

The product of its digits is 1680, while the sum is 24.

The square root of 22725312 is about 4767.1072989812. The cubic root of 22725312 is about 283.2500214875.

The spelling of 22725312 in words is "twenty-two million, seven hundred twenty-five thousand, three hundred twelve".