22259925 has 72 divisors (see below), whose sum is σ = 43330560. Its totient is φ = 10886400.

The previous prime is 22259921. The next prime is 22259927. The reversal of 22259925 is 52995222.

It is not a de Polignac number, because 22259925 - 2² = 22259921 is a prime.

It is a super-2 number, since 2×22259925² = 991008522011250, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 22259925.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22259921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 175212 + ... + 175338.

Almost surely, 2^22259925 is an apocalyptic number.

22259925 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

22259925 is a deficient number, since it is larger than the sum of its proper divisors (21070635).

22259925 is a wasteful number, since it uses less digits than its factorization.

22259925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203 (or 195 counting only the distinct ones).

The product of its digits is 32400, while the sum is 36.

The square root of 22259925 is about 4718.0424966293. The cubic root of 22259925 is about 281.3031307032.

The spelling of 22259925 in words is "twenty-two million, two hundred fifty-nine thousand, nine hundred twenty-five".