22321332231 has 64 divisors (see below), whose sum is σ = 34954924032. Its totient is φ = 12519360000.

The previous prime is 22321332227. The next prime is 22321332239. The reversal of 22321332231 is 13223312322.

It is not a de Polignac number, because 22321332231 - 2² = 22321332227 is a prime.

It is a super-3 number, since 3×22321332231³ (a number of 32 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22321332239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 27522816 + ... + 27523626.

It is an arithmetic number, because the mean of its divisors is an integer number (546170688).

Almost surely, 2^22321332231 is an apocalyptic number.

22321332231 is a deficient number, since it is larger than the sum of its proper divisors (12633591801).

22321332231 is a wasteful number, since it uses less digits than its factorization.

22321332231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1604.

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

Adding to 22321332231 its reverse (13223312322), we get a palindrome (35544644553).

The spelling of 22321332231 in words is "twenty-two billion, three hundred twenty-one million, three hundred thirty-two thousand, two hundred thirty-one".