199318922 has 8 divisors (see below), whose sum is σ = 326158272. Its totient is φ = 90599500.

The previous prime is 199318921. The next prime is 199318927. The reversal of 199318922 is 229813991.

It is a happy number.

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

It is not an unprimeable number, because it can be changed into a prime (199318921) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4529954 + ... + 4529997.

It is an arithmetic number, because the mean of its divisors is an integer number (40769784).

Almost surely, 2^199318922 is an apocalyptic number.

199318922 is a deficient number, since it is larger than the sum of its proper divisors (126839350).

199318922 is a wasteful number, since it uses less digits than its factorization.

199318922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9059964.

The product of its digits is 69984, while the sum is 44.

The square root of 199318922 is about 14118.0353449055. The cubic root of 199318922 is about 584.1389646316.

The spelling of 199318922 in words is "one hundred ninety-nine million, three hundred eighteen thousand, nine hundred twenty-two".