22331131332 has 48 divisors (see below), whose sum is σ = 52996446720. Its totient is φ = 7317468928.

The previous prime is 22331131327. The next prime is 22331131343. The reversal of 22331131332 is 23313113322.

It is a nude number because it is divisible by every one of its digits.

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 15 ways as a sum of consecutive naturals, for example, 124333 + ... + 245195.

It is an arithmetic number, because the mean of its divisors is an integer number (1104092640).

Almost surely, 2^22331131332 is an apocalyptic number.

It is an amenable number.

22331131332 is an abundant number, since it is smaller than the sum of its proper divisors (30665315388).

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

22331131332 is a wasteful number, since it uses less digits than its factorization.

22331131332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121132 (or 121130 counting only the distinct ones).

The product of its digits is 1944, while the sum is 24.

Adding to 22331131332 its reverse (23313113322), we get a palindrome (45644244654).

The spelling of 22331131332 in words is "twenty-two billion, three hundred thirty-one million, one hundred thirty-one thousand, three hundred thirty-two".