22622372 has 12 divisors (see below), whose sum is σ = 39855900. Its totient is φ = 11234976.

The previous prime is 22622371. The next prime is 22622387. The reversal of 22622372 is 27322622.

It can be written as a sum of positive squares in 2 ways, for example, as 1240996 + 21381376 = 1114^2 + 4624^2 .

It is not an unprimeable number, because it can be changed into a prime (22622371) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18383 + ... + 19574.

It is an arithmetic number, because the mean of its divisors is an integer number (3321325).

Almost surely, 2^22622372 is an apocalyptic number.

It is an amenable number.

22622372 is a deficient number, since it is larger than the sum of its proper divisors (17233528).

22622372 is a wasteful number, since it uses less digits than its factorization.

22622372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38110 (or 38108 counting only the distinct ones).

The product of its digits is 4032, while the sum is 26.

The square root of 22622372 is about 4756.2981403608. The cubic root of 22622372 is about 282.8216900873.

Adding to 22622372 its reverse (27322622), we get a palindrome (49944994).

The spelling of 22622372 in words is "twenty-two million, six hundred twenty-two thousand, three hundred seventy-two".