22722800 has 30 divisors (see below), whose sum is σ = 54592488. Its totient is φ = 9088960.

The previous prime is 22722793. The next prime is 22722811. The reversal of 22722800 is 822722.

It is a happy number.

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 5 ways as a sum of consecutive naturals, for example, 28004 + ... + 28803.

Almost surely, 2^22722800 is an apocalyptic number.

22722800 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22722800 is an abundant number, since it is smaller than the sum of its proper divisors (31869688).

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

22722800 is a wasteful number, since it uses less digits than its factorization.

22722800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56825 (or 56814 counting only the distinct ones).

The product of its (nonzero) digits is 896, while the sum is 23.

The square root of 22722800 is about 4766.8438195519. The cubic root of 22722800 is about 283.2395845165.

The spelling of 22722800 in words is "twenty-two million, seven hundred twenty-two thousand, eight hundred".