22216204 has 12 divisors (see below), whose sum is σ = 40219200. Its totient is φ = 10725008.

The previous prime is 22216199. The next prime is 22216211. The reversal of 22216204 is 40261222.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 95644 + ... + 95875.

It is an arithmetic number, because the mean of its divisors is an integer number (3351600).

Almost surely, 2^22216204 is an apocalyptic number.

It is an amenable number.

22216204 is a deficient number, since it is larger than the sum of its proper divisors (18002996).

22216204 is a wasteful number, since it uses less digits than its factorization.

22216204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 191552 (or 191550 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 22216204 is about 4713.4068358248. The cubic root of 22216204 is about 281.1188396497.

Adding to 22216204 its reverse (40261222), we get a palindrome (62477426).

The spelling of 22216204 in words is "twenty-two million, two hundred sixteen thousand, two hundred four".