198922032 has 120 divisors (see below), whose sum is σ = 615255264. Its totient is φ = 59676672.

The previous prime is 198921979. The next prime is 198922067. The reversal of 198922032 is 230229891.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 54538 + ... + 58070.

Almost surely, 2^198922032 is an apocalyptic number.

198922032 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 198922032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (307627632).

198922032 is an abundant number, since it is smaller than the sum of its proper divisors (416333232).

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

198922032 is a wasteful number, since it uses less digits than its factorization.

198922032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3587 (or 3578 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 36.

The square root of 198922032 is about 14103.9722064389. The cubic root of 198922032 is about 583.7509884786.

The spelling of 198922032 in words is "one hundred ninety-eight million, nine hundred twenty-two thousand, thirty-two".