198882231 has 8 divisors (see below), whose sum is σ = 267802224. Its totient is φ = 131275200.

The previous prime is 198882227. The next prime is 198882241. The reversal of 198882231 is 132288891.

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

It is not a de Polignac number, because 198882231 - 2² = 198882227 is a prime.

It is a super-2 number, since 2×198882231² = 79108283615074722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (198882241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 327886 + ... + 328491.

It is an arithmetic number, because the mean of its divisors is an integer number (33475278).

Almost surely, 2^198882231 is an apocalyptic number.

198882231 is a deficient number, since it is larger than the sum of its proper divisors (68919993).

198882231 is a wasteful number, since it uses less digits than its factorization.

198882231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 656481.

The product of its digits is 55296, while the sum is 42.

The square root of 198882231 is about 14102.5611503727. The cubic root of 198882231 is about 583.7120529174.

The spelling of 198882231 in words is "one hundred ninety-eight million, eight hundred eighty-two thousand, two hundred thirty-one".