22224304 has 20 divisors (see below), whose sum is σ = 45593064. Its totient is φ = 10458368.

The previous prime is 22224283. The next prime is 22224311. The reversal of 22224304 is 40342222.

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, 40582 + ... + 41125.

Almost surely, 2^22224304 is an apocalyptic number.

It is an amenable number.

22224304 is an abundant number, since it is smaller than the sum of its proper divisors (23368760).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22224304 is a wasteful number, since it uses less digits than its factorization.

22224304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81732 (or 81726 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 19.

The square root of 22224304 is about 4714.2660086168. The cubic root of 22224304 is about 281.1530006900.

Adding to 22224304 its reverse (40342222), we get a palindrome (62566526).

The spelling of 22224304 in words is "twenty-two million, two hundred twenty-four thousand, three hundred four".