22194955 has 16 divisors (see below), whose sum is σ = 27316224. Its totient is φ = 17307360.

The previous prime is 22194943. The next prime is 22194961. The reversal of 22194955 is 55949122.

It is not a de Polignac number, because 22194955 - 2⁷ = 22194827 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36262 + ... + 36868.

It is an arithmetic number, because the mean of its divisors is an integer number (1707264).

Almost surely, 2^22194955 is an apocalyptic number.

22194955 is a deficient number, since it is larger than the sum of its proper divisors (5121269).

22194955 is a wasteful number, since it uses less digits than its factorization.

22194955 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 786.

The product of its digits is 32400, while the sum is 37.

The square root of 22194955 is about 4711.1521945274. The cubic root of 22194955 is about 281.0291843736.

The spelling of 22194955 in words is "twenty-two million, one hundred ninety-four thousand, nine hundred fifty-five".