442235347 has 2 divisors, whose sum is σ = 442235348. Its totient is φ = 442235346.

The previous prime is 442235293. The next prime is 442235351. The reversal of 442235347 is 743532244.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 442235347 - 2¹⁹ = 441711059 is a prime.

It is not a weakly prime, because it can be changed into another prime (442235377) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 221117673 + 221117674.

It is an arithmetic number, because the mean of its divisors is an integer number (221117674).

Almost surely, 2^442235347 is an apocalyptic number.

442235347 is a deficient number, since it is larger than the sum of its proper divisors (1).

442235347 is an equidigital number, since it uses as much as digits as its factorization.

442235347 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 80640, while the sum is 34.

The square root of 442235347 is about 21029.3924543720. The cubic root of 442235347 is about 761.8763350361.

The spelling of 442235347 in words is "four hundred forty-two million, two hundred thirty-five thousand, three hundred forty-seven".