22549900 has 18 divisors (see below), whose sum is σ = 48933500. Its totient is φ = 9019920.

The previous prime is 22549873. The next prime is 22549921. The reversal of 22549900 is 994522.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 112650 + ... + 112849.

Almost surely, 2^22549900 is an apocalyptic number.

22549900 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22549900 is an abundant number, since it is smaller than the sum of its proper divisors (26383600).

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

22549900 is a wasteful number, since it uses less digits than its factorization.

22549900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225513 (or 225506 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 31.

The square root of 22549900 is about 4748.6734989890. The cubic root of 22549900 is about 282.5193554494.

The spelling of 22549900 in words is "twenty-two million, five hundred forty-nine thousand, nine hundred".