22131322324 has 12 divisors (see below), whose sum is σ = 38900431584. Its totient is φ = 11016913304.

The previous prime is 22131322289. The next prime is 22131322351. The reversal of 22131322324 is 42322313122.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12185944 + ... + 12187759.

It is an arithmetic number, because the mean of its divisors is an integer number (3241702632).

Almost surely, 2^22131322324 is an apocalyptic number.

It is an amenable number.

22131322324 is a deficient number, since it is larger than the sum of its proper divisors (16769109260).

22131322324 is a wasteful number, since it uses less digits than its factorization.

22131322324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24373934 (or 24373932 counting only the distinct ones).

The product of its digits is 3456, while the sum is 25.

Adding to 22131322324 its reverse (42322313122), we get a palindrome (64453635446).

The spelling of 22131322324 in words is "twenty-two billion, one hundred thirty-one million, three hundred twenty-two thousand, three hundred twenty-four".