22256194 has 16 divisors (see below), whose sum is σ = 34717536. Its totient is φ = 10692000.

The previous prime is 22256189. The next prime is 22256209. The reversal of 22256194 is 49165222.

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 in 7 ways as a sum of consecutive naturals, for example, 3469 + ... + 7519.

It is an arithmetic number, because the mean of its divisors is an integer number (2169846).

Almost surely, 2^22256194 is an apocalyptic number.

22256194 is a deficient number, since it is larger than the sum of its proper divisors (12461342).

22256194 is a wasteful number, since it uses less digits than its factorization.

22256194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4161.

The product of its digits is 8640, while the sum is 31.

The square root of 22256194 is about 4717.6470830277. The cubic root of 22256194 is about 281.2874133603.

The spelling of 22256194 in words is "twenty-two million, two hundred fifty-six thousand, one hundred ninety-four".