198427227 has 8 divisors (see below), whose sum is σ = 265706064. Its totient is φ = 131716608.

The previous prime is 198427217. The next prime is 198427237. The reversal of 198427227 is 722724891.

It is an interprime number because it is at equal distance from previous prime (198427217) and next prime (198427237).

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

It is not a de Polignac number, because 198427227 - 2⁴ = 198427211 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (198427217) 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, 141238 + ... + 142635.

It is an arithmetic number, because the mean of its divisors is an integer number (33213258).

Almost surely, 2^198427227 is an apocalyptic number.

198427227 is a deficient number, since it is larger than the sum of its proper divisors (67278837).

198427227 is a wasteful number, since it uses less digits than its factorization.

198427227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 284109.

The product of its digits is 112896, while the sum is 42.

The square root of 198427227 is about 14086.4199497246. The cubic root of 198427227 is about 583.2665730038.

The spelling of 198427227 in words is "one hundred ninety-eight million, four hundred twenty-seven thousand, two hundred twenty-seven".