22204174 has 4 divisors (see below), whose sum is σ = 33306264. Its totient is φ = 11102086.

The previous prime is 22204151. The next prime is 22204207. The reversal of 22204174 is 47140222.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

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, 5551042 + ... + 5551045.

It is an arithmetic number, because the mean of its divisors is an integer number (8326566).

Almost surely, 2^22204174 is an apocalyptic number.

22204174 is a deficient number, since it is larger than the sum of its proper divisors (11102090).

22204174 is a wasteful number, since it uses less digits than its factorization.

22204174 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11102089.

The product of its (nonzero) digits is 896, while the sum is 22.

The square root of 22204174 is about 4712.1305160193. The cubic root of 22204174 is about 281.0680888517.

Adding to 22204174 its reverse (47140222), we get a palindrome (69344396).

The spelling of 22204174 in words is "twenty-two million, two hundred four thousand, one hundred seventy-four".