22224194 has 4 divisors (see below), whose sum is σ = 33336294. Its totient is φ = 11112096.

The previous prime is 22224149. The next prime is 22224203. The reversal of 22224194 is 49142222.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 21390625 + 833569 = 4625^2 + 913^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5556047 + ... + 5556050.

Almost surely, 2^22224194 is an apocalyptic number.

22224194 is a deficient number, since it is larger than the sum of its proper divisors (11112100).

22224194 is a wasteful number, since it uses less digits than its factorization.

22224194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11112099.

The product of its digits is 2304, while the sum is 26.

The square root of 22224194 is about 4714.2543418870. The cubic root of 22224194 is about 281.1525368303.

The spelling of 22224194 in words is "twenty-two million, two hundred twenty-four thousand, one hundred ninety-four".