22044440252 has 12 divisors (see below), whose sum is σ = 40255064976. Its totient is φ = 10542993120.

The previous prime is 22044440237. The next prime is 22044440261. The reversal of 22044440252 is 25204444022.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 119806649 + ... + 119806832.

It is an arithmetic number, because the mean of its divisors is an integer number (3354588748).

Almost surely, 2^22044440252 is an apocalyptic number.

It is an amenable number.

22044440252 is a deficient number, since it is larger than the sum of its proper divisors (18210624724).

22044440252 is a wasteful number, since it uses less digits than its factorization.

22044440252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 239613508 (or 239613506 counting only the distinct ones).

The product of its (nonzero) digits is 20480, while the sum is 29.

Adding to 22044440252 its reverse (25204444022), we get a palindrome (47248884274).

The spelling of 22044440252 in words is "twenty-two billion, forty-four million, four hundred forty thousand, two hundred fifty-two".