188799222 has 16 divisors (see below), whose sum is σ = 390619440. Its totient is φ = 60762912.

The previous prime is 188799217. The next prime is 188799223. The reversal of 188799222 is 222997881.

188799222 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (188799223) 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, 542353 + ... + 542700.

It is an arithmetic number, because the mean of its divisors is an integer number (24413715).

Almost surely, 2^188799222 is an apocalyptic number.

188799222 is an abundant number, since it is smaller than the sum of its proper divisors (201820218).

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

188799222 is a wasteful number, since it uses less digits than its factorization.

188799222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1085087.

The product of its digits is 290304, while the sum is 48.

The square root of 188799222 is about 13740.4229192554. The cubic root of 188799222 is about 573.6760688104.

The spelling of 188799222 in words is "one hundred eighty-eight million, seven hundred ninety-nine thousand, two hundred twenty-two".