22027800 has 48 divisors (see below), whose sum is σ = 68288040. Its totient is φ = 5873920.

The previous prime is 22027799. The next prime is 22027829. The reversal of 22027800 is 872022.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17757 + ... + 18956.

Almost surely, 2^22027800 is an apocalyptic number.

22027800 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22027800 is an abundant number, since it is smaller than the sum of its proper divisors (46260240).

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

22027800 is a wasteful number, since it uses less digits than its factorization.

22027800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36732 (or 36723 counting only the distinct ones).

The product of its (nonzero) digits is 448, while the sum is 21.

The square root of 22027800 is about 4693.3783141784. The cubic root of 22027800 is about 280.3219086797.

Adding to 22027800 its reverse (872022), we get a palindrome (22899822).

The spelling of 22027800 in words is "twenty-two million, twenty-seven thousand, eight hundred".