199814233 has 2 divisors, whose sum is σ = 199814234. Its totient is φ = 199814232.

The previous prime is 199814231. The next prime is 199814239. The reversal of 199814233 is 332418991.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 171426649 + 28387584 = 13093^2 + 5328^2 .

It is a cyclic number.

It is not a de Polignac number, because 199814233 - 2¹ = 199814231 is a prime.

Together with 199814231, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (199814231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 99907116 + 99907117.

It is an arithmetic number, because the mean of its divisors is an integer number (99907117).

Almost surely, 2^199814233 is an apocalyptic number.

It is an amenable number.

199814233 is a deficient number, since it is larger than the sum of its proper divisors (1).

199814233 is an equidigital number, since it uses as much as digits as its factorization.

199814233 is an evil number, because the sum of its binary digits is even.

The product of its digits is 46656, while the sum is 40.

The square root of 199814233 is about 14135.5662426378. The cubic root of 199814233 is about 584.6224295537.

The spelling of 199814233 in words is "one hundred ninety-nine million, eight hundred fourteen thousand, two hundred thirty-three".