22504252 has 24 divisors (see below), whose sum is σ = 40360320. Its totient is φ = 10975920.

The previous prime is 22504217. The next prime is 22504253. The reversal of 22504252 is 25240522.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22504253) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39127 + ... + 39697.

It is an arithmetic number, because the mean of its divisors is an integer number (1681680).

Almost surely, 2^22504252 is an apocalyptic number.

It is an amenable number.

22504252 is a deficient number, since it is larger than the sum of its proper divisors (17856068).

22504252 is a wasteful number, since it uses less digits than its factorization.

22504252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 801 (or 799 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 22.

The square root of 22504252 is about 4743.8646692333. The cubic root of 22504252 is about 282.3285910340.

Adding to 22504252 its reverse (25240522), we get a palindrome (47744774).

The spelling of 22504252 in words is "twenty-two million, five hundred four thousand, two hundred fifty-two".