189523226 has 4 divisors (see below), whose sum is σ = 284284842. Its totient is φ = 94761612.

The previous prime is 189523189. The next prime is 189523237. The reversal of 189523226 is 622325981.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 170172025 + 19351201 = 13045^2 + 4399^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 189523226.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 47380805 + ... + 47380808.

Almost surely, 2^189523226 is an apocalyptic number.

189523226 is a deficient number, since it is larger than the sum of its proper divisors (94761616).

189523226 is an equidigital number, since it uses as much as digits as its factorization.

189523226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94761615.

The product of its digits is 51840, while the sum is 38.

The square root of 189523226 is about 13766.7434783975. The cubic root of 189523226 is about 574.4084411415.

The spelling of 189523226 in words is "one hundred eighty-nine million, five hundred twenty-three thousand, two hundred twenty-six".