198422382 has 32 divisors (see below), whose sum is σ = 419189760. Its totient is φ = 62516160.

The previous prime is 198422381. The next prime is 198422423. The reversal of 198422382 is 283224891.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 198422382.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (198422381) 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 15 ways as a sum of consecutive naturals, for example, 4407 + ... + 20402.

It is an arithmetic number, because the mean of its divisors is an integer number (13099680).

Almost surely, 2^198422382 is an apocalyptic number.

198422382 is an abundant number, since it is smaller than the sum of its proper divisors (220767378).

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

198422382 is a wasteful number, since it uses less digits than its factorization.

198422382 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24888.

The product of its digits is 55296, while the sum is 39.

The square root of 198422382 is about 14086.2479745318. The cubic root of 198422382 is about 583.2618257562.

The spelling of 198422382 in words is "one hundred ninety-eight million, four hundred twenty-two thousand, three hundred eighty-two".