22100221194 has 16 divisors (see below), whose sum is σ = 44357742720. Its totient is φ = 7340523680.

The previous prime is 22100221193. The next prime is 22100221211. The reversal of 22100221194 is 49112200122.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (22100221193) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6552354 + ... + 6555725.

It is an arithmetic number, because the mean of its divisors is an integer number (2772358920).

Almost surely, 2^22100221194 is an apocalyptic number.

22100221194 is an abundant number, since it is smaller than the sum of its proper divisors (22257521526).

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

22100221194 is a wasteful number, since it uses less digits than its factorization.

22100221194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13108365.

The product of its (nonzero) digits is 576, while the sum is 24.

The spelling of 22100221194 in words is "twenty-two billion, one hundred million, two hundred twenty-one thousand, one hundred ninety-four".