189822 has 16 divisors (see below), whose sum is σ = 402192. Its totient is φ = 59520.

The previous prime is 189817. The next prime is 189823. The reversal of 189822 is 228981.

It is a self number, because there is not a number n which added to its sum of digits gives 189822.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (189823) by changing a digit.

189822 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 829 + ... + 1032.

It is an arithmetic number, because the mean of its divisors is an integer number (25137).

2¹⁸⁹⁸²² is an apocalyptic number.

189822 is an abundant number, since it is smaller than the sum of its proper divisors (212370).

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

189822 is a wasteful number, since it uses less digits than its factorization.

189822 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1883.

The product of its digits is 2304, while the sum is 30.

The square root of 189822 is about 435.6856665074. The cubic root of 189822 is about 57.4710124841.

The spelling of 189822 in words is "one hundred eighty-nine thousand, eight hundred twenty-two".