22344013252 has 24 divisors (see below), whose sum is σ = 43257557952. Its totient is φ = 10013320800.

The previous prime is 22344013249. The next prime is 22344013261. The reversal of 22344013252 is 25231044322.

It is a self number, because there is not a number n which added to its sum of digits gives 22344013252.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3573063 + ... + 3579310.

It is an arithmetic number, because the mean of its divisors is an integer number (1802398248).

Almost surely, 2^22344013252 is an apocalyptic number.

22344013252 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

22344013252 is a deficient number, since it is larger than the sum of its proper divisors (20913544700).

22344013252 is a wasteful number, since it uses less digits than its factorization.

22344013252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7152459 (or 7152457 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 28.

Adding to 22344013252 its reverse (25231044322), we get a palindrome (47575057574).

The spelling of 22344013252 in words is "twenty-two billion, three hundred forty-four million, thirteen thousand, two hundred fifty-two".