199992241 has 4 divisors (see below), whose sum is σ = 203382000. Its totient is φ = 196602484.

The previous prime is 199992223. The next prime is 199992251. The reversal of 199992241 is 142299991.

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 a cyclic number.

It is not a de Polignac number, because 199992241 - 2⁵ = 199992209 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 199992191 and 199992200.

It is not an unprimeable number, because it can be changed into a prime (199992251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1694791 + ... + 1694908.

It is an arithmetic number, because the mean of its divisors is an integer number (50845500).

Almost surely, 2^199992241 is an apocalyptic number.

It is an amenable number.

199992241 is a deficient number, since it is larger than the sum of its proper divisors (3389759).

199992241 is an equidigital number, since it uses as much as digits as its factorization.

199992241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3389758.

The product of its digits is 104976, while the sum is 46.

The square root of 199992241 is about 14141.8612989946. The cubic root of 199992241 is about 584.7959850602.

The spelling of 199992241 in words is "one hundred ninety-nine million, nine hundred ninety-two thousand, two hundred forty-one".