198922 has 8 divisors (see below), whose sum is σ = 302400. Its totient is φ = 98124.

The previous prime is 198901. The next prime is 198929. The reversal of 198922 is 229891.

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

It is not an unprimeable number, because it can be changed into a prime (198929) 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, 472 + ... + 787.

It is an arithmetic number, because the mean of its divisors is an integer number (37800).

2¹⁹⁸⁹²² is an apocalyptic number.

198922 is a deficient number, since it is larger than the sum of its proper divisors (103478).

198922 is a wasteful number, since it uses less digits than its factorization.

198922 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1340.

The product of its digits is 2592, while the sum is 31.

The square root of 198922 is about 446.0067264067. The cubic root of 198922 is about 58.3750957176.

Subtracting from 198922 its sum of digits (31), we obtain a palindrome (198891).

The spelling of 198922 in words is "one hundred ninety-eight thousand, nine hundred twenty-two".