22522372 has 12 divisors (see below), whose sum is σ = 41488720. Its totient is φ = 10668456.

The previous prime is 22522363. The next prime is 22522427. The reversal of 22522372 is 27322522.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 148098 + ... + 148249.

Almost surely, 2^22522372 is an apocalyptic number.

It is an amenable number.

22522372 is a deficient number, since it is larger than the sum of its proper divisors (18966348).

22522372 is a wasteful number, since it uses less digits than its factorization.

22522372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 296370 (or 296368 counting only the distinct ones).

The product of its digits is 3360, while the sum is 25.

The square root of 22522372 is about 4745.7741202042. The cubic root of 22522372 is about 282.4043459274.

Adding to 22522372 its reverse (27322522), we get a palindrome (49844894).

It can be divided in two parts, 2252 and 2372, that added together give a square (4624 = 68²).

The spelling of 22522372 in words is "twenty-two million, five hundred twenty-two thousand, three hundred seventy-two".