22342431321 has 24 divisors (see below), whose sum is σ = 38072513024. Its totient is φ = 12355260480.

The previous prime is 22342431317. The next prime is 22342431337. The reversal of 22342431321 is 12313424322.

22342431321 is a `hidden beast` number, since 2 + 2 + 342 + 4 + 313 + 2 + 1 = 666.

It is not a de Polignac number, because 22342431321 - 2² = 22342431317 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22342436321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5718076 + ... + 5721981.

Almost surely, 2^22342431321 is an apocalyptic number.

22342431321 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

22342431321 is a deficient number, since it is larger than the sum of its proper divisors (15730081703).

22342431321 is a wasteful number, since it uses less digits than its factorization.

22342431321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11440101 (or 11440098 counting only the distinct ones).

The product of its digits is 6912, while the sum is 27.

Adding to 22342431321 its reverse (12313424322), we get a palindrome (34655855643).

The spelling of 22342431321 in words is "twenty-two billion, three hundred forty-two million, four hundred thirty-one thousand, three hundred twenty-one".