199228233 has 4 divisors (see below), whose sum is σ = 265637648. Its totient is φ = 132818820.

The previous prime is 199228229. The next prime is 199228241. The reversal of 199228233 is 332822991.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 199228233 - 2² = 199228229 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 199228191 and 199228200.

It is not an unprimeable number, because it can be changed into a prime (199228213) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33204703 + ... + 33204708.

It is an arithmetic number, because the mean of its divisors is an integer number (66409412).

Almost surely, 2^199228233 is an apocalyptic number.

It is an amenable number.

199228233 is a deficient number, since it is larger than the sum of its proper divisors (66409415).

199228233 is an equidigital number, since it uses as much as digits as its factorization.

199228233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66409414.

The product of its digits is 46656, while the sum is 39.

The square root of 199228233 is about 14114.8231657361. The cubic root of 199228233 is about 584.0503578659.

The spelling of 199228233 in words is "one hundred ninety-nine million, two hundred twenty-eight thousand, two hundred thirty-three".