22554900 has 108 divisors (see below), whose sum is σ = 74474400. Its totient is φ = 5693760.

The previous prime is 22554871. The next prime is 22554901. The reversal of 22554900 is 945522.

22554900 is a `hidden beast` number, since 22 + 554 + 90 + 0 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22554901) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 16441 + ... + 17759.

Almost surely, 2^22554900 is an apocalyptic number.

22554900 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 22554900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37237200).

22554900 is an abundant number, since it is smaller than the sum of its proper divisors (51919500).

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

22554900 is a wasteful number, since it uses less digits than its factorization.

22554900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1358 (or 1348 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The square root of 22554900 is about 4749.1999326202. The cubic root of 22554900 is about 282.5402349564.

The spelling of 22554900 in words is "twenty-two million, five hundred fifty-four thousand, nine hundred".