22401303232 has 56 divisors (see below), whose sum is σ = 55421418240. Its totient is φ = 8727778560.

The previous prime is 22401303229. The next prime is 22401303251. The reversal of 22401303232 is 23230310422.

It is a tau number, because it is divible by the number of its divisors (56).

It is a Harshad number since it is a multiple of its sum of digits (22).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2267932 + ... + 2277787.

Almost surely, 2^22401303232 is an apocalyptic number.

22401303232 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

22401303232 is an abundant number, since it is smaller than the sum of its proper divisors (33020115008).

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

22401303232 is a wasteful number, since it uses less digits than its factorization.

22401303232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4545749 (or 4545739 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 22.

Adding to 22401303232 its reverse (23230310422), we get a palindrome (45631613654).

The spelling of 22401303232 in words is "twenty-two billion, four hundred one million, three hundred three thousand, two hundred thirty-two".