189528226 has 8 divisors (see below), whose sum is σ = 284356800. Its totient is φ = 94742628.

The previous prime is 189528179. The next prime is 189528263. The reversal of 189528226 is 622825981.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4755 + ... + 20041.

It is an arithmetic number, because the mean of its divisors is an integer number (35544600).

Almost surely, 2^189528226 is an apocalyptic number.

189528226 is a deficient number, since it is larger than the sum of its proper divisors (94828574).

189528226 is a wasteful number, since it uses less digits than its factorization.

189528226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21488.

The product of its digits is 138240, while the sum is 43.

The square root of 189528226 is about 13766.9250742495. The cubic root of 189528226 is about 574.4134924432.

The spelling of 189528226 in words is "one hundred eighty-nine million, five hundred twenty-eight thousand, two hundred twenty-six".