22424004400 has 60 divisors (see below), whose sum is σ = 61569916912. Its totient is φ = 7688229120.

The previous prime is 22424004397. The next prime is 22424004431. The reversal of 22424004400 is 440042422.

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, 4001487 + ... + 4007086.

Almost surely, 2^22424004400 is an apocalyptic number.

22424004400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22424004400 is an abundant number, since it is smaller than the sum of its proper divisors (39145912512).

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

22424004400 is a wasteful number, since it uses less digits than its factorization.

22424004400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8008598 (or 8008587 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 22.

Adding to 22424004400 its reverse (440042422), we get a palindrome (22864046822).

The spelling of 22424004400 in words is "twenty-two billion, four hundred twenty-four million, four thousand, four hundred".