22700525 has 24 divisors (see below), whose sum is σ = 30783744. Its totient is φ = 16531200.

The previous prime is 22700519. The next prime is 22700543. The reversal of 22700525 is 52500722.

It is a de Polignac number, because none of the positive numbers 2^k-22700525 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22700525.

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, 12314 + ... + 14036.

It is an arithmetic number, because the mean of its divisors is an integer number (1282656).

Almost surely, 2^22700525 is an apocalyptic number.

22700525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

22700525 is a deficient number, since it is larger than the sum of its proper divisors (8083219).

22700525 is a wasteful number, since it uses less digits than its factorization.

22700525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1781 (or 1776 counting only the distinct ones).

The product of its (nonzero) digits is 1400, while the sum is 23.

The square root of 22700525 is about 4764.5067950419. The cubic root of 22700525 is about 283.1470016705.

The spelling of 22700525 in words is "twenty-two million, seven hundred thousand, five hundred twenty-five".