199794822 has 16 divisors (see below), whose sum is σ = 400738800. Its totient is φ = 66406752.

The previous prime is 199794821. The next prime is 199794851. The reversal of 199794822 is 228497991.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (199794821) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45613 + ... + 49800.

It is an arithmetic number, because the mean of its divisors is an integer number (25046175).

Almost surely, 2^199794822 is an apocalyptic number.

199794822 is an abundant number, since it is smaller than the sum of its proper divisors (200943978).

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

199794822 is a wasteful number, since it uses less digits than its factorization.

199794822 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95767.

The product of its digits is 653184, while the sum is 51.

The square root of 199794822 is about 14134.8796245317. The cubic root of 199794822 is about 584.6034978468.

The spelling of 199794822 in words is "one hundred ninety-nine million, seven hundred ninety-four thousand, eight hundred twenty-two".