222108972192 has 36 divisors (see below), whose sum is σ = 631622390490. Its totient is φ = 74036323968.

The previous prime is 222108972191. The next prime is 222108972199. The reversal of 222108972192 is 291279801222.

It can be written as a sum of positive squares in only one way, i.e., 112630044816 + 109478927376 = 335604^2 + 330876^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (222108972191) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 385605567 + ... + 385606142.

Almost surely, 2^222108972192 is an apocalyptic number.

It is an amenable number.

222108972192 is an abundant number, since it is smaller than the sum of its proper divisors (409513418298).

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

222108972192 is a wasteful number, since it uses less digits than its factorization.

222108972192 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 771211725 (or 771211714 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 45.

The spelling of 222108972192 in words is "two hundred twenty-two billion, one hundred eight million, nine hundred seventy-two thousand, one hundred ninety-two".