199882231 has 2 divisors, whose sum is σ = 199882232. Its totient is φ = 199882230.

The previous prime is 199882229. The next prime is 199882271. The reversal of 199882231 is 132288991.

It is a weak prime.

It is an emirp because it is prime and its reverse (132288991) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 199882231 - 2¹ = 199882229 is a prime.

It is a super-2 number, since 2×199882231² = 79905812539074722, which contains 22 as substring.

Together with 199882229, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (199882271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 99941115 + 99941116.

It is an arithmetic number, because the mean of its divisors is an integer number (99941116).

Almost surely, 2^199882231 is an apocalyptic number.

199882231 is a deficient number, since it is larger than the sum of its proper divisors (1).

199882231 is an equidigital number, since it uses as much as digits as its factorization.

199882231 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 62208, while the sum is 43.

The square root of 199882231 is about 14137.9712476720. The cubic root of 199882231 is about 584.6887388898.

The spelling of 199882231 in words is "one hundred ninety-nine million, eight hundred eighty-two thousand, two hundred thirty-one".