22259900 has 36 divisors (see below), whose sum is σ = 52022712. Its totient is φ = 8218560.

The previous prime is 22259899. The next prime is 22259917. The reversal of 22259900 is 995222.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 7262 + ... + 9861.

Almost surely, 2^22259900 is an apocalyptic number.

22259900 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22259900 is an abundant number, since it is smaller than the sum of its proper divisors (29762812).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22259900 is a wasteful number, since it uses less digits than its factorization.

22259900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17150 (or 17143 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 29.

The square root of 22259900 is about 4718.0398472247. The cubic root of 22259900 is about 281.3030253932.

The spelling of 22259900 in words is "twenty-two million, two hundred fifty-nine thousand, nine hundred".