22352164 has 12 divisors (see below), whose sum is σ = 39149404. Its totient is φ = 11166624.

The previous prime is 22352129. The next prime is 22352171. The reversal of 22352164 is 46125322.

It can be written as a sum of positive squares in 2 ways, for example, as 14745600 + 7606564 = 3840^2 + 2758^2 .

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, 7954 + ... + 10390.

Almost surely, 2^22352164 is an apocalyptic number.

It is an amenable number.

22352164 is a deficient number, since it is larger than the sum of its proper divisors (16797240).

22352164 is a wasteful number, since it uses less digits than its factorization.

22352164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4734 (or 4732 counting only the distinct ones).

The product of its digits is 2880, while the sum is 25.

The square root of 22352164 is about 4727.8075256931. The cubic root of 22352164 is about 281.6911428298.

Adding to 22352164 its reverse (46125322), we get a palindrome (68477486).

The spelling of 22352164 in words is "twenty-two million, three hundred fifty-two thousand, one hundred sixty-four".