22256198 has 16 divisors (see below), whose sum is σ = 34428240. Its totient is φ = 10784256.

The previous prime is 22256189. The next prime is 22256209. The reversal of 22256198 is 89165222.

It is a happy number.

It is a Curzon number.

It is a congruent number.

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, 10838 + ... + 12726.

It is an arithmetic number, because the mean of its divisors is an integer number (2151765).

Almost surely, 2^22256198 is an apocalyptic number.

22256198 is a deficient number, since it is larger than the sum of its proper divisors (12172042).

22256198 is a wasteful number, since it uses less digits than its factorization.

22256198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2071.

The product of its digits is 17280, while the sum is 35.

The square root of 22256198 is about 4717.6475069679. The cubic root of 22256198 is about 281.2874302118.

The spelling of 22256198 in words is "twenty-two million, two hundred fifty-six thousand, one hundred ninety-eight".