22144344232 has 32 divisors (see below), whose sum is σ = 41789779200. Its totient is φ = 11000612224.

The previous prime is 22144344223. The next prime is 22144344239. The reversal of 22144344232 is 23244344122.

It is a junction number, because it is equal to n+sod(n) for n = 22144344194 and 22144344203.

It is not an unprimeable number, because it can be changed into a prime (22144344239) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 857769 + ... + 883207.

It is an arithmetic number, because the mean of its divisors is an integer number (1305930600).

Almost surely, 2^22144344232 is an apocalyptic number.

It is an amenable number.

22144344232 is a deficient number, since it is larger than the sum of its proper divisors (19645434968).

22144344232 is a wasteful number, since it uses less digits than its factorization.

22144344232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26145 (or 26141 counting only the distinct ones).

The product of its digits is 36864, while the sum is 31.

Adding to 22144344232 its reverse (23244344122), we get a palindrome (45388688354).

The spelling of 22144344232 in words is "twenty-two billion, one hundred forty-four million, three hundred forty-four thousand, two hundred thirty-two".