199852122 has 32 divisors (see below), whose sum is σ = 411143040. Its totient is φ = 64724480.

The previous prime is 199852117. The next prime is 199852123. The reversal of 199852122 is 221258991.

It is not an unprimeable number, because it can be changed into a prime (199852123) 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 15 ways as a sum of consecutive naturals, for example, 63154 + ... + 66242.

It is an arithmetic number, because the mean of its divisors is an integer number (12848220).

Almost surely, 2^199852122 is an apocalyptic number.

199852122 is an abundant number, since it is smaller than the sum of its proper divisors (211290918).

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

199852122 is a wasteful number, since it uses less digits than its factorization.

199852122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3398.

The product of its digits is 25920, while the sum is 39.

The square root of 199852122 is about 14136.9063801102. The cubic root of 199852122 is about 584.6593794729.

The spelling of 199852122 in words is "one hundred ninety-nine million, eight hundred fifty-two thousand, one hundred twenty-two".