22131322332 has 24 divisors (see below), whose sum is σ = 59016859776. Its totient is φ = 6323234928.

The previous prime is 22131322289. The next prime is 22131322351. The reversal of 22131322332 is 23322313122.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 131733978 + ... + 131734145.

It is an arithmetic number, because the mean of its divisors is an integer number (2459035824).

Almost surely, 2^22131322332 is an apocalyptic number.

It is an amenable number.

22131322332 is an abundant number, since it is smaller than the sum of its proper divisors (36885537444).

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

22131322332 is a wasteful number, since it uses less digits than its factorization.

22131322332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 263468137 (or 263468135 counting only the distinct ones).

The product of its digits is 2592, while the sum is 24.

Adding to 22131322332 its reverse (23322313122), we get a palindrome (45453635454).

The spelling of 22131322332 in words is "twenty-two billion, one hundred thirty-one million, three hundred twenty-two thousand, three hundred thirty-two".