22502884625 has 16 divisors (see below), whose sum is σ = 30243879120. Its totient is φ = 16617513600.

The previous prime is 22502884609. The next prime is 22502884633. The reversal of 22502884625 is 52648820522.

It can be written as a sum of positive squares in 8 ways, for example, as 9148539904 + 13354344721 = 95648^2 + 115561^2 .

It is not a de Polignac number, because 22502884625 - 2⁴ = 22502884609 is a prime.

It is a super-2 number, since 2×22502884625² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6922340 + ... + 6925589.

It is an arithmetic number, because the mean of its divisors is an integer number (1890242445).

Almost surely, 2^22502884625 is an apocalyptic number.

22502884625 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

22502884625 is a deficient number, since it is larger than the sum of its proper divisors (7740994495).

22502884625 is a wasteful number, since it uses less digits than its factorization.

22502884625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13847957 (or 13847947 counting only the distinct ones).

The product of its (nonzero) digits is 614400, while the sum is 44.

The spelling of 22502884625 in words is "twenty-two billion, five hundred two million, eight hundred eighty-four thousand, six hundred twenty-five".