22625725 has 24 divisors (see below), whose sum is σ = 29998080. Its totient is φ = 16869120.

The previous prime is 22625719. The next prime is 22625731. The reversal of 22625725 is 52752622.

It is an interprime number because it is at equal distance from previous prime (22625719) and next prime (22625731).

It is not a de Polignac number, because 22625725 - 2¹⁹ = 22101437 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 58884 + ... + 59266.

It is an arithmetic number, because the mean of its divisors is an integer number (1249920).

Almost surely, 2^22625725 is an apocalyptic number.

22625725 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

22625725 is a deficient number, since it is larger than the sum of its proper divisors (7372355).

22625725 is a wasteful number, since it uses less digits than its factorization.

22625725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 549 (or 544 counting only the distinct ones).

The product of its digits is 16800, while the sum is 31.

The square root of 22625725 is about 4756.6506073076. The cubic root of 22625725 is about 282.8356623073.

The spelling of 22625725 in words is "twenty-two million, six hundred twenty-five thousand, seven hundred twenty-five".