195399822 has 8 divisors (see below), whose sum is σ = 390799656. Its totient is φ = 65133272.

The previous prime is 195399811. The next prime is 195399829. The reversal of 195399822 is 228993591.

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

195399822 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (195399829) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16283313 + ... + 16283324.

It is an arithmetic number, because the mean of its divisors is an integer number (48849957).

Almost surely, 2^195399822 is an apocalyptic number.

195399822 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

195399822 is a wasteful number, since it uses less digits than its factorization.

195399822 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32566642.

The product of its digits is 349920, while the sum is 48.

The square root of 195399822 is about 13978.5486371082. The cubic root of 195399822 is about 580.2850580537.

The spelling of 195399822 in words is "one hundred ninety-five million, three hundred ninety-nine thousand, eight hundred twenty-two".