189422 has 8 divisors (see below), whose sum is σ = 289656. Its totient is φ = 92872.

The previous prime is 189421. The next prime is 189433. The reversal of 189422 is 224981.

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

It is a junction number, because it is equal to n+sod(n) for n = 189391 and 189400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (189421) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 788 + ... + 999.

It is an arithmetic number, because the mean of its divisors is an integer number (36207).

2¹⁸⁹⁴²² is an apocalyptic number.

189422 is a deficient number, since it is larger than the sum of its proper divisors (100234).

189422 is a wasteful number, since it uses less digits than its factorization.

189422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1842.

The product of its digits is 1152, while the sum is 26.

The square root of 189422 is about 435.2263778771. The cubic root of 189422 is about 57.4306157418.

The spelling of 189422 in words is "one hundred eighty-nine thousand, four hundred twenty-two".