189423222 has 16 divisors (see below), whose sum is σ = 379695600. Its totient is φ = 62999552.

The previous prime is 189423203. The next prime is 189423233. The reversal of 189423222 is 222324981.

189423222 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×189423222² = 71762314065722568, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32463 + ... + 37850.

It is an arithmetic number, because the mean of its divisors is an integer number (23730975).

Almost surely, 2^189423222 is an apocalyptic number.

189423222 is an abundant number, since it is smaller than the sum of its proper divisors (190272378).

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

189423222 is a wasteful number, since it uses less digits than its factorization.

189423222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70767.

The product of its digits is 13824, while the sum is 33.

The square root of 189423222 is about 13763.1109128714. The cubic root of 189423222 is about 574.3073924039.

The spelling of 189423222 in words is "one hundred eighty-nine million, four hundred twenty-three thousand, two hundred twenty-two".