22258625 has 8 divisors (see below), whose sum is σ = 27778920. Its totient is φ = 17806800.

The previous prime is 22258619. The next prime is 22258667. The reversal of 22258625 is 52685222.

It can be written as a sum of positive squares in 4 ways, for example, as 4986289 + 17272336 = 2233^2 + 4156^2 .

It is not a de Polignac number, because 22258625 - 2²⁴ = 5481409 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22258591 and 22258600.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 88910 + ... + 89159.

It is an arithmetic number, because the mean of its divisors is an integer number (3472365).

Almost surely, 2^22258625 is an apocalyptic number.

22258625 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

22258625 is a deficient number, since it is larger than the sum of its proper divisors (5520295).

22258625 is an equidigital number, since it uses as much as digits as its factorization.

22258625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178084 (or 178074 counting only the distinct ones).

The product of its digits is 19200, while the sum is 32.

The square root of 22258625 is about 4717.9047256171. The cubic root of 22258625 is about 281.2976544765.

The spelling of 22258625 in words is "twenty-two million, two hundred fifty-eight thousand, six hundred twenty-five".