22012204 has 6 divisors (see below), whose sum is σ = 38521364. Its totient is φ = 11006100.

The previous prime is 22012187. The next prime is 22012231. The reversal of 22012204 is 40221022.

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 as a sum of consecutive naturals, namely, 2751522 + ... + 2751529.

Almost surely, 2^22012204 is an apocalyptic number.

It is an amenable number.

22012204 is a deficient number, since it is larger than the sum of its proper divisors (16509160).

22012204 is a wasteful number, since it uses less digits than its factorization.

22012204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5503055 (or 5503053 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 13.

The square root of 22012204 is about 4691.7165302264. The cubic root of 22012204 is about 280.2557357425.

Adding to 22012204 its reverse (40221022), we get a palindrome (62233226).

The spelling of 22012204 in words is "twenty-two million, twelve thousand, two hundred four".