22027808800 has 36 divisors (see below), whose sum is σ = 53775390186. Its totient is φ = 8811123200.

The previous prime is 22027808779. The next prime is 22027808809. The reversal of 22027808800 is 880872022.

It can be written as a sum of positive squares in 3 ways, for example, as 10444022416 + 11583786384 = 102196^2 + 107628^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 22027808800.

It is not an unprimeable number, because it can be changed into a prime (22027808809) by changing a digit.

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, 13766581 + ... + 13768180.

Almost surely, 2^22027808800 is an apocalyptic number.

22027808800 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22027808800 is an abundant number, since it is smaller than the sum of its proper divisors (31747581386).

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

22027808800 is a wasteful number, since it uses less digits than its factorization.

22027808800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27534781 (or 27534768 counting only the distinct ones).

The product of its (nonzero) digits is 28672, while the sum is 37.

The spelling of 22027808800 in words is "twenty-two billion, twenty-seven million, eight hundred eight thousand, eight hundred".