189107226 has 96 divisors (see below), whose sum is σ = 521883648. Its totient is φ = 48057120.

The previous prime is 189107207. The next prime is 189107239. The reversal of 189107226 is 622701981.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 63691 + ... + 66593.

It is an arithmetic number, because the mean of its divisors is an integer number (5436288).

Almost surely, 2^189107226 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 189107226, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (260941824).

189107226 is an abundant number, since it is smaller than the sum of its proper divisors (332776422).

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

189107226 is a wasteful number, since it uses less digits than its factorization.

189107226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2976 (or 2973 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 36.

The square root of 189107226 is about 13751.6263038231. The cubic root of 189107226 is about 573.9878612770.

The spelling of 189107226 in words is "one hundred eighty-nine million, one hundred seven thousand, two hundred twenty-six".