22553700 has 72 divisors (see below), whose sum is σ = 70287168. Its totient is φ = 5550720.

The previous prime is 22553693. The next prime is 22553711. The reversal of 22553700 is 735522.

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, 1009 + ... + 6791.

Almost surely, 2^22553700 is an apocalyptic number.

22553700 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22553700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35143584).

22553700 is an abundant number, since it is smaller than the sum of its proper divisors (47733468).

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

22553700 is a wasteful number, since it uses less digits than its factorization.

22553700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5813 (or 5806 counting only the distinct ones).

The product of its (nonzero) digits is 2100, while the sum is 24.

The square root of 22553700 is about 4749.0735938707. The cubic root of 22553700 is about 282.5352241561.

The spelling of 22553700 in words is "twenty-two million, five hundred fifty-three thousand, seven hundred".