22131340324 has 48 divisors (see below), whose sum is σ = 41767326720. Its totient is φ = 10230865920.

The previous prime is 22131340303. The next prime is 22131340331. The reversal of 22131340324 is 42304313122.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2645332 + ... + 2653684.

It is an arithmetic number, because the mean of its divisors is an integer number (870152640).

Almost surely, 2^22131340324 is an apocalyptic number.

It is an amenable number.

22131340324 is a deficient number, since it is larger than the sum of its proper divisors (19635986396).

22131340324 is a wasteful number, since it uses less digits than its factorization.

22131340324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9340 (or 9338 counting only the distinct ones).

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

Adding to 22131340324 its reverse (42304313122), we get a palindrome (64435653446).

The spelling of 22131340324 in words is "twenty-two billion, one hundred thirty-one million, three hundred forty thousand, three hundred twenty-four".