22152604 has 12 divisors (see below), whose sum is σ = 39592224. Its totient is φ = 10840544.

The previous prime is 22152601. The next prime is 22152643. The reversal of 22152604 is 40625122.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22152601) 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, 58729 + ... + 59104.

It is an arithmetic number, because the mean of its divisors is an integer number (3299352).

Almost surely, 2^22152604 is an apocalyptic number.

It is an amenable number.

22152604 is a deficient number, since it is larger than the sum of its proper divisors (17439620).

22152604 is a wasteful number, since it uses less digits than its factorization.

22152604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117884 (or 117882 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 22152604 is about 4706.6552879938. The cubic root of 22152604 is about 280.8503232292.

Adding to 22152604 its reverse (40625122), we get a palindrome (62777726).

It can be divided in two parts, 221 and 52604, that added together give a palindrome (52825).

The spelling of 22152604 in words is "twenty-two million, one hundred fifty-two thousand, six hundred four".