442044347 has 2 divisors, whose sum is σ = 442044348. Its totient is φ = 442044346.

The previous prime is 442044301. The next prime is 442044349. The reversal of 442044347 is 743440244.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 442044347 - 2¹⁰ = 442043323 is a prime.

Together with 442044349, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (442044349) 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 as a sum of consecutive naturals, namely, 221022173 + 221022174.

It is an arithmetic number, because the mean of its divisors is an integer number (221022174).

Almost surely, 2^442044347 is an apocalyptic number.

442044347 is a deficient number, since it is larger than the sum of its proper divisors (1).

442044347 is an equidigital number, since it uses as much as digits as its factorization.

442044347 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 43008, while the sum is 32.

The square root of 442044347 is about 21024.8507010157. The cubic root of 442044347 is about 761.7666352758.

The spelling of 442044347 in words is "four hundred forty-two million, forty-four thousand, three hundred forty-seven".