22436625 has 64 divisors (see below), whose sum is σ = 40734720. Its totient is φ = 10929600.

The previous prime is 22436611. The next prime is 22436629. The reversal of 22436625 is 52663422.

It is not a de Polignac number, because 22436625 - 2⁸ = 22436369 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22436592 and 22436601.

It is not an unprimeable number, because it can be changed into a prime (22436629) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 334842 + ... + 334908.

It is an arithmetic number, because the mean of its divisors is an integer number (636480).

Almost surely, 2^22436625 is an apocalyptic number.

22436625 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

22436625 is a deficient number, since it is larger than the sum of its proper divisors (18298095).

22436625 is a wasteful number, since it uses less digits than its factorization.

22436625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151 (or 141 counting only the distinct ones).

The product of its digits is 17280, while the sum is 30.

The square root of 22436625 is about 4736.7314680062. The cubic root of 22436625 is about 282.0455009322.

The spelling of 22436625 in words is "twenty-two million, four hundred thirty-six thousand, six hundred twenty-five".