22131322322 has 24 divisors (see below), whose sum is σ = 35630053200. Its totient is φ = 10305555768.

The previous prime is 22131322289. The next prime is 22131322351. The reversal of 22131322322 is 22322313122.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 217172 + ... + 302367.

It is an arithmetic number, because the mean of its divisors is an integer number (1484585550).

Almost surely, 2^22131322322 is an apocalyptic number.

22131322322 is a deficient number, since it is larger than the sum of its proper divisors (13498730878).

22131322322 is a wasteful number, since it uses less digits than its factorization.

22131322322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 519638 (or 519619 counting only the distinct ones).

The product of its digits is 1728, while the sum is 23.

Adding to 22131322322 its reverse (22322313122), we get a palindrome (44453635444).

The spelling of 22131322322 in words is "twenty-two billion, one hundred thirty-one million, three hundred twenty-two thousand, three hundred twenty-two".