189321622 has 32 divisors (see below), whose sum is σ = 347023872. Its totient is φ = 75613824.

The previous prime is 189321607. The next prime is 189321653. The reversal of 189321622 is 226123981.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 20653 + ... + 28375.

It is an arithmetic number, because the mean of its divisors is an integer number (10844496).

Almost surely, 2^189321622 is an apocalyptic number.

189321622 is a deficient number, since it is larger than the sum of its proper divisors (157702250).

189321622 is a wasteful number, since it uses less digits than its factorization.

189321622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7852.

The product of its digits is 10368, while the sum is 34.

The square root of 189321622 is about 13759.4193918203. The cubic root of 189321622 is about 574.2046945654.

The spelling of 189321622 in words is "one hundred eighty-nine million, three hundred twenty-one thousand, six hundred twenty-two".