22105194 has 16 divisors (see below), whose sum is σ = 44444160. Its totient is φ = 7329440.

The previous prime is 22105177. The next prime is 22105207. The reversal of 22105194 is 49150122.

It is a Curzon number.

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, 8499 + ... + 10790.

It is an arithmetic number, because the mean of its divisors is an integer number (2777760).

Almost surely, 2^22105194 is an apocalyptic number.

22105194 is an abundant number, since it is smaller than the sum of its proper divisors (22338966).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22105194 is a wasteful number, since it uses less digits than its factorization.

22105194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19485.

The product of its (nonzero) digits is 720, while the sum is 24.

The square root of 22105194 is about 4701.6161051281. The cubic root of 22105194 is about 280.6498257477.

The spelling of 22105194 in words is "twenty-two million, one hundred five thousand, one hundred ninety-four".