22031313332 has 24 divisors (see below), whose sum is σ = 45087341376. Its totient is φ = 9222409728.

The previous prime is 22031313281. The next prime is 22031313373. The reversal of 22031313332 is 23331313022.

It is a junction number, because it is equal to n+sod(n) for n = 22031313298 and 22031313307.

It is a congruent number.

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, 9148013 + ... + 9150420.

It is an arithmetic number, because the mean of its divisors is an integer number (1878639224).

Almost surely, 2^22031313332 is an apocalyptic number.

It is an amenable number.

22031313332 is an abundant number, since it is smaller than the sum of its proper divisors (23056028044).

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

22031313332 is a wasteful number, since it uses less digits than its factorization.

22031313332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18298487 (or 18298485 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 23.

Adding to 22031313332 its reverse (23331313022), we get a palindrome (45362626354).

The spelling of 22031313332 in words is "twenty-two billion, thirty-one million, three hundred thirteen thousand, three hundred thirty-two".