22415300400 has 60 divisors (see below), whose sum is σ = 71803682792. Its totient is φ = 5977413120.

The previous prime is 22415300399. The next prime is 22415300437. The reversal of 22415300400 is 400351422.

It is a tau number, because it is divible by the number of its divisors (60).

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, 9338509 + ... + 9340908.

Almost surely, 2^22415300400 is an apocalyptic number.

22415300400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22415300400 is an abundant number, since it is smaller than the sum of its proper divisors (49388382392).

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

22415300400 is a wasteful number, since it uses less digits than its factorization.

22415300400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18679438 (or 18679427 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 21.

Adding to 22415300400 its reverse (400351422), we get a palindrome (22815651822).

The spelling of 22415300400 in words is "twenty-two billion, four hundred fifteen million, three hundred thousand, four hundred".