22624525 has 72 divisors (see below), whose sum is σ = 37658304. Its totient is φ = 13305600.

The previous prime is 22624519. The next prime is 22624543. The reversal of 22624525 is 52542622.

It is not a de Polignac number, because 22624525 - 2³ = 22624517 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22624493 and 22624502.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 309889 + ... + 309961.

It is an arithmetic number, because the mean of its divisors is an integer number (523032).

Almost surely, 2^22624525 is an apocalyptic number.

22624525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

22624525 is a deficient number, since it is larger than the sum of its proper divisors (15033779).

22624525 is a wasteful number, since it uses less digits than its factorization.

22624525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131 (or 119 counting only the distinct ones).

The product of its digits is 9600, while the sum is 28.

The square root of 22624525 is about 4756.5244664566. The cubic root of 22624525 is about 282.8306619697.

It can be divided in two parts, 2262 and 4525, that multiplied together give a triangular number (10235550 = T₄₅₂₄).

The spelling of 22624525 in words is "twenty-two million, six hundred twenty-four thousand, five hundred twenty-five".