442294199 has 2 divisors, whose sum is σ = 442294200. Its totient is φ = 442294198.

The previous prime is 442294187. The next prime is 442294207. The reversal of 442294199 is 991492244.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 442294199 - 2¹⁶ = 442228663 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 (442294129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 221147099 + 221147100.

It is an arithmetic number, because the mean of its divisors is an integer number (221147100).

Almost surely, 2^442294199 is an apocalyptic number.

442294199 is a deficient number, since it is larger than the sum of its proper divisors (1).

442294199 is an equidigital number, since it uses as much as digits as its factorization.

442294199 is an evil number, because the sum of its binary digits is even.

The product of its digits is 186624, while the sum is 44.

The square root of 442294199 is about 21030.7916874282. The cubic root of 442294199 is about 761.9101299807.

The spelling of 442294199 in words is "four hundred forty-two million, two hundred ninety-four thousand, one hundred ninety-nine".