22725632 has 22 divisors (see below), whose sum is σ = 45431118. Its totient is φ = 11362304.

The previous prime is 22725607. The next prime is 22725643. The reversal of 22725632 is 23652722.

It can be written as a sum of positive squares in only one way, i.e., 22429696 + 295936 = 4736^2 + 544^2 .

It is a junction number, because it is equal to n+sod(n) for n = 22725595 and 22725604.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10073 + ... + 12120.

Almost surely, 2^22725632 is an apocalyptic number.

It is an amenable number.

22725632 is a deficient number, since it is larger than the sum of its proper divisors (22705486).

22725632 is an equidigital number, since it uses as much as digits as its factorization.

22725632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22213 (or 22195 counting only the distinct ones).

The product of its digits is 10080, while the sum is 29.

The square root of 22725632 is about 4767.1408621940. The cubic root of 22725632 is about 283.2513509828.

The spelling of 22725632 in words is "twenty-two million, seven hundred twenty-five thousand, six hundred thirty-two".