199108922 has 4 divisors (see below), whose sum is σ = 298663386. Its totient is φ = 99554460.

The previous prime is 199108909. The next prime is 199108927. The reversal of 199108922 is 229801991.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 229801991 = 59 ⋅3894949.

It can be written as a sum of positive squares in only one way, i.e., 156975841 + 42133081 = 12529^2 + 6491^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 199108922.

It is not an unprimeable number, because it can be changed into a prime (199108927) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49777229 + ... + 49777232.

Almost surely, 2^199108922 is an apocalyptic number.

199108922 is a deficient number, since it is larger than the sum of its proper divisors (99554464).

199108922 is an equidigital number, since it uses as much as digits as its factorization.

199108922 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99554463.

The product of its (nonzero) digits is 23328, while the sum is 41.

The square root of 199108922 is about 14110.5960894641. The cubic root of 199108922 is about 583.9337452985.

The spelling of 199108922 in words is "one hundred ninety-nine million, one hundred eight thousand, nine hundred twenty-two".