22257352 has 32 divisors (see below), whose sum is σ = 47590200. Its totient is φ = 9667584.

The previous prime is 22257343. The next prime is 22257401. The reversal of 22257352 is 25375222.

It can be written as a sum of positive squares in 4 ways, for example, as 13293316 + 8964036 = 3646^2 + 2994^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 22257352.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4527 + ... + 8062.

Almost surely, 2^22257352 is an apocalyptic number.

It is an amenable number.

22257352 is an abundant number, since it is smaller than the sum of its proper divisors (25332848).

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

22257352 is a wasteful number, since it uses less digits than its factorization.

22257352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12625 (or 12621 counting only the distinct ones).

The product of its digits is 8400, while the sum is 28.

The square root of 22257352 is about 4717.7698121040. The cubic root of 22257352 is about 281.2922917802.

The spelling of 22257352 in words is "twenty-two million, two hundred fifty-seven thousand, three hundred fifty-two".