198220202 has 4 divisors (see below), whose sum is σ = 297330306. Its totient is φ = 99110100.

The previous prime is 198220163. The next prime is 198220229. The reversal of 198220202 is 202022891.

198220202 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 202022891 = 7 ⋅28860413.

It can be written as a sum of positive squares in only one way, i.e., 184389241 + 13830961 = 13579^2 + 3719^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49555049 + ... + 49555052.

Almost surely, 2^198220202 is an apocalyptic number.

198220202 is a deficient number, since it is larger than the sum of its proper divisors (99110104).

198220202 is an equidigital number, since it uses as much as digits as its factorization.

198220202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99110103.

The product of its (nonzero) digits is 1152, while the sum is 26.

The square root of 198220202 is about 14079.0696425581. The cubic root of 198220202 is about 583.0636559903.

The spelling of 198220202 in words is "one hundred ninety-eight million, two hundred twenty thousand, two hundred two".