22372552 has 16 divisors (see below), whose sum is σ = 42972300. Its totient is φ = 10913280.

The previous prime is 22372549. The next prime is 22372579. The reversal of 22372552 is 25527322.

It can be written as a sum of positive squares in 2 ways, for example, as 20484676 + 1887876 = 4526^2 + 1374^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 22372552.

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, 33777 + ... + 34432.

Almost surely, 2^22372552 is an apocalyptic number.

It is an amenable number.

22372552 is a deficient number, since it is larger than the sum of its proper divisors (20599748).

22372552 is a wasteful number, since it uses less digits than its factorization.

22372552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68256 (or 68252 counting only the distinct ones).

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

The square root of 22372552 is about 4729.9632133876. The cubic root of 22372552 is about 281.7767627837.

Adding to 22372552 its reverse (25527322), we get a palindrome (47899874).

The spelling of 22372552 in words is "twenty-two million, three hundred seventy-two thousand, five hundred fifty-two".