22004204 has 24 divisors (see below), whose sum is σ = 40689600. Its totient is φ = 10383120.

The previous prime is 22004189. The next prime is 22004221. The reversal of 22004204 is 40240022.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31499 + ... + 32189.

It is an arithmetic number, because the mean of its divisors is an integer number (1695400).

Almost surely, 2^22004204 is an apocalyptic number.

It is an amenable number.

22004204 is a deficient number, since it is larger than the sum of its proper divisors (18685396).

22004204 is a wasteful number, since it uses less digits than its factorization.

22004204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1133 (or 1131 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 14.

The square root of 22004204 is about 4690.8638863220. The cubic root of 22004204 is about 280.2217800702.

Adding to 22004204 its reverse (40240022), we get a palindrome (62244226).

The spelling of 22004204 in words is "twenty-two million, four thousand, two hundred four".