189174722 has 8 divisors (see below), whose sum is σ = 309558672. Its totient is φ = 85988500.

The previous prime is 189174683. The next prime is 189174731. The reversal of 189174722 is 227471981.

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

It is a self number, because there is not a number n which added to its sum of digits gives 189174722.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4299404 + ... + 4299447.

It is an arithmetic number, because the mean of its divisors is an integer number (38694834).

Almost surely, 2^189174722 is an apocalyptic number.

189174722 is a deficient number, since it is larger than the sum of its proper divisors (120383950).

189174722 is a wasteful number, since it uses less digits than its factorization.

189174722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8598864.

The product of its digits is 56448, while the sum is 41.

The square root of 189174722 is about 13754.0801946186. The cubic root of 189174722 is about 574.0561422503.

The spelling of 189174722 in words is "one hundred eighty-nine million, one hundred seventy-four thousand, seven hundred twenty-two".