22634525 has 6 divisors (see below), whose sum is σ = 28066842. Its totient is φ = 18107600.

The previous prime is 22634519. The next prime is 22634561. The reversal of 22634525 is 52543622.

It can be written as a sum of positive squares in 3 ways, for example, as 5476 + 22629049 = 74^2 + 4757^2 .

It is not a de Polignac number, because 22634525 - 2⁴ = 22634509 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 452666 + ... + 452715.

It is an arithmetic number, because the mean of its divisors is an integer number (4677807).

Almost surely, 2^22634525 is an apocalyptic number.

22634525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

22634525 is a deficient number, since it is larger than the sum of its proper divisors (5432317).

22634525 is an equidigital number, since it uses as much as digits as its factorization.

22634525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 905391 (or 905386 counting only the distinct ones).

The product of its digits is 14400, while the sum is 29.

The square root of 22634525 is about 4757.5755380235. The cubic root of 22634525 is about 282.8723260491.

It can be divided in two parts, 2263 and 4525, that multiplied together give a triangular number (10240075 = T₄₅₂₅).

The spelling of 22634525 in words is "twenty-two million, six hundred thirty-four thousand, five hundred twenty-five".