22144164232 has 64 divisors (see below), whose sum is σ = 46317744000. Its totient is φ = 9863525376.

The previous prime is 22144164223. The next prime is 22144164233. The reversal of 22144164232 is 23246144122.

It is a junction number, because it is equal to n+sod(n) for n = 22144164194 and 22144164203.

It is not an unprimeable number, because it can be changed into a prime (22144164233) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3529194 + ... + 3535462.

It is an arithmetic number, because the mean of its divisors is an integer number (723714750).

Almost surely, 2^22144164232 is an apocalyptic number.

It is an amenable number.

22144164232 is an abundant number, since it is smaller than the sum of its proper divisors (24173579768).

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

22144164232 is a wasteful number, since it uses less digits than its factorization.

22144164232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7678 (or 7674 counting only the distinct ones).

The product of its digits is 18432, while the sum is 31.

The spelling of 22144164232 in words is "twenty-two billion, one hundred forty-four million, one hundred sixty-four thousand, two hundred thirty-two".