189022250 has 32 divisors (see below), whose sum is σ = 361400832. Its totient is φ = 73995600.

The previous prime is 189022247. The next prime is 189022333. The reversal of 189022250 is 52220981.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3707 + ... + 19793.

It is an arithmetic number, because the mean of its divisors is an integer number (11293776).

Almost surely, 2^189022250 is an apocalyptic number.

189022250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

189022250 is a deficient number, since it is larger than the sum of its proper divisors (172378582).

189022250 is a wasteful number, since it uses less digits than its factorization.

189022250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16151 (or 16141 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 29.

The square root of 189022250 is about 13748.5362857287. The cubic root of 189022250 is about 573.9018739051.

The spelling of 189022250 in words is "one hundred eighty-nine million, twenty-two thousand, two hundred fifty".