22727800 has 48 divisors (see below), whose sum is σ = 55632600. Its totient is φ = 8611200.

The previous prime is 22727797. The next prime is 22727813. The reversal of 22727800 is 872722.

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 11 ways as a sum of consecutive naturals, for example, 810 + ... + 6790.

Almost surely, 2^22727800 is an apocalyptic number.

22727800 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 22727800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27816300).

22727800 is an abundant number, since it is smaller than the sum of its proper divisors (32904800).

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

22727800 is a wasteful number, since it uses less digits than its factorization.

22727800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6016 (or 6007 counting only the distinct ones).

The product of its (nonzero) digits is 3136, while the sum is 28.

The square root of 22727800 is about 4767.3682467374. The cubic root of 22727800 is about 283.2603579842.

The spelling of 22727800 in words is "twenty-two million, seven hundred twenty-seven thousand, eight hundred".