22488900 has 72 divisors (see below), whose sum is σ = 74370240. Its totient is φ = 5139840.

The previous prime is 22488887. The next prime is 22488941. The reversal of 22488900 is 988422.

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, 3255 + ... + 7454.

It is an arithmetic number, because the mean of its divisors is an integer number (1032920).

Almost surely, 2^22488900 is an apocalyptic number.

22488900 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22488900 is an abundant number, since it is smaller than the sum of its proper divisors (51881340).

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

22488900 is a wasteful number, since it uses less digits than its factorization.

22488900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10733 (or 10726 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 33.

The square root of 22488900 is about 4742.2463031774. The cubic root of 22488900 is about 282.2643765839.

The spelling of 22488900 in words is "twenty-two million, four hundred eighty-eight thousand, nine hundred".