442000199 has 2 divisors, whose sum is σ = 442000200. Its totient is φ = 442000198.

The previous prime is 442000183. The next prime is 442000219. The reversal of 442000199 is 991000244.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 442000199 - 2⁴ = 442000183 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (442000159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 221000099 + 221000100.

It is an arithmetic number, because the mean of its divisors is an integer number (221000100).

Almost surely, 2^442000199 is an apocalyptic number.

442000199 is a deficient number, since it is larger than the sum of its proper divisors (1).

442000199 is an equidigital number, since it uses as much as digits as its factorization.

442000199 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2592, while the sum is 29.

The square root of 442000199 is about 21023.8007743605. The cubic root of 442000199 is about 761.7412746279.

The spelling of 442000199 in words is "four hundred forty-two million, one hundred ninety-nine", and thus it is an aban number.