189122268 has 24 divisors (see below), whose sum is σ = 447332368. Its totient is φ = 62176896.

The previous prime is 189122243. The next prime is 189122291. The reversal of 189122268 is 862221981.

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, 107071 + ... + 108822.

Almost surely, 2^189122268 is an apocalyptic number.

It is an amenable number.

189122268 is an abundant number, since it is smaller than the sum of its proper divisors (258210100).

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

189122268 is a wasteful number, since it uses less digits than its factorization.

189122268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215973 (or 215971 counting only the distinct ones).

The product of its digits is 27648, while the sum is 39.

The square root of 189122268 is about 13752.1732100785. The cubic root of 189122268 is about 574.0030796210.

The spelling of 189122268 in words is "one hundred eighty-nine million, one hundred twenty-two thousand, two hundred sixty-eight".