22555432400 has 30 divisors (see below), whose sum is σ = 54189427302. Its totient is φ = 9022172800.

The previous prime is 22555432387. The next prime is 22555432411. The reversal of 22555432400 is 423455522.

It can be written as a sum of positive squares in 3 ways, for example, as 5348289424 + 17207142976 = 73132^2 + 131176^2 .

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, 28193891 + ... + 28194690.

Almost surely, 2^22555432400 is an apocalyptic number.

22555432400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22555432400 is an abundant number, since it is smaller than the sum of its proper divisors (31633994902).

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

22555432400 is a wasteful number, since it uses less digits than its factorization.

22555432400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56388599 (or 56388588 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 32.

Adding to 22555432400 its reverse (423455522), we get a palindrome (22978887922).

The spelling of 22555432400 in words is "twenty-two billion, five hundred fifty-five million, four hundred thirty-two thousand, four hundred".