22318852 has 6 divisors (see below), whose sum is σ = 39057998. Its totient is φ = 11159424.

The previous prime is 22318847. The next prime is 22318861. The reversal of 22318852 is 25881322.

It can be written as a sum of positive squares in only one way, i.e., 18181696 + 4137156 = 4264^2 + 2034^2 .

It is a super-3 number, since 3×22318852³ (a number of 23 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2789853 + ... + 2789860.

Almost surely, 2^22318852 is an apocalyptic number.

It is an amenable number.

22318852 is a deficient number, since it is larger than the sum of its proper divisors (16739146).

22318852 is a wasteful number, since it uses less digits than its factorization.

22318852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5579717 (or 5579715 counting only the distinct ones).

The product of its digits is 7680, while the sum is 31.

The square root of 22318852 is about 4724.2832260566. The cubic root of 22318852 is about 281.5511360904.

The spelling of 22318852 in words is "twenty-two million, three hundred eighteen thousand, eight hundred fifty-two".