22112194 has 16 divisors (see below), whose sum is σ = 35953848. Its totient is φ = 10138752.

The previous prime is 22112173. The next prime is 22112201. The reversal of 22112194 is 49121122.

It can be written as a sum of positive squares in 4 ways, for example, as 7634169 + 14478025 = 2763^2 + 3805^2 .

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, 1374 + ... + 6790.

Almost surely, 2^22112194 is an apocalyptic number.

22112194 is a deficient number, since it is larger than the sum of its proper divisors (13841654).

22112194 is a wasteful number, since it uses less digits than its factorization.

22112194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5589.

The product of its digits is 288, while the sum is 22.

The square root of 22112194 is about 4702.3604710826. The cubic root of 22112194 is about 280.6794468622.

The spelling of 22112194 in words is "twenty-two million, one hundred twelve thousand, one hundred ninety-four".