22725924 has 24 divisors (see below), whose sum is σ = 57106560. Its totient is φ = 6992544.

The previous prime is 22725869. The next prime is 22725929. The reversal of 22725924 is 42952722.

It is not an unprimeable number, because it can be changed into a prime (22725929) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72684 + ... + 72995.

It is an arithmetic number, because the mean of its divisors is an integer number (2379440).

Almost surely, 2^22725924 is an apocalyptic number.

It is an amenable number.

22725924 is an abundant number, since it is smaller than the sum of its proper divisors (34380636).

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

22725924 is a wasteful number, since it uses less digits than its factorization.

22725924 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145699 (or 145697 counting only the distinct ones).

The product of its digits is 20160, while the sum is 33.

The square root of 22725924 is about 4767.1714884195. The cubic root of 22725924 is about 283.2525641363.

The spelling of 22725924 in words is "twenty-two million, seven hundred twenty-five thousand, nine hundred twenty-four".