199332227 has 2 divisors, whose sum is σ = 199332228. Its totient is φ = 199332226.

The previous prime is 199332193. The next prime is 199332229. The reversal of 199332227 is 722233991.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 199332227 - 2⁶ = 199332163 is a prime.

Together with 199332229, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (199332229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 99666113 + 99666114.

It is an arithmetic number, because the mean of its divisors is an integer number (99666114).

Almost surely, 2^199332227 is an apocalyptic number.

199332227 is a deficient number, since it is larger than the sum of its proper divisors (1).

199332227 is an equidigital number, since it uses as much as digits as its factorization.

199332227 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 40824, while the sum is 38.

The square root of 199332227 is about 14118.5065428324. The cubic root of 199332227 is about 584.1519618856.

The spelling of 199332227 in words is "one hundred ninety-nine million, three hundred thirty-two thousand, two hundred twenty-seven".