199774882 has 8 divisors (see below), whose sum is σ = 299722752. Its totient is φ = 99867300.

The previous prime is 199774867. The next prime is 199774903. The reversal of 199774882 is 288477991.

It is a happy number.

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

It is a super-2 number, since 2×199774882² = 79820006956227848, which contains 22 as substring.

It is an unprimeable number.

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, 12007 + ... + 23317.

It is an arithmetic number, because the mean of its divisors is an integer number (37465344).

Almost surely, 2^199774882 is an apocalyptic number.

199774882 is a deficient number, since it is larger than the sum of its proper divisors (99947870).

199774882 is a wasteful number, since it uses less digits than its factorization.

199774882 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20144.

The product of its digits is 2032128, while the sum is 55.

The square root of 199774882 is about 14134.1742595739. The cubic root of 199774882 is about 584.5840489250.

The spelling of 199774882 in words is "one hundred ninety-nine million, seven hundred seventy-four thousand, eight hundred eighty-two".