22112222194 has 16 divisors (see below), whose sum is σ = 33216035328. Its totient is φ = 11040224832.

The previous prime is 22112222191. The next prime is 22112222219. The reversal of 22112222194 is 49122221122.

It is not an unprimeable number, because it can be changed into a prime (22112222191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5868099 + ... + 5871865.

It is an arithmetic number, because the mean of its divisors is an integer number (2076002208).

Almost surely, 2^22112222194 is an apocalyptic number.

22112222194 is a deficient number, since it is larger than the sum of its proper divisors (11103813134).

22112222194 is a wasteful number, since it uses less digits than its factorization.

22112222194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7209.

The product of its digits is 2304, while the sum is 28.

The spelling of 22112222194 in words is "twenty-two billion, one hundred twelve million, two hundred twenty-two thousand, one hundred ninety-four".