442244027 has 2 divisors, whose sum is σ = 442244028. Its totient is φ = 442244026.

The previous prime is 442243987. The next prime is 442244029. The reversal of 442244027 is 720442244.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-442244027 is a prime.

Together with 442244029, 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 (442244029) 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, 221122013 + 221122014.

It is an arithmetic number, because the mean of its divisors is an integer number (221122014).

Almost surely, 2^442244027 is an apocalyptic number.

442244027 is a deficient number, since it is larger than the sum of its proper divisors (1).

442244027 is an equidigital number, since it uses as much as digits as its factorization.

442244027 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14336, while the sum is 29.

The square root of 442244027 is about 21029.5988311713. The cubic root of 442244027 is about 761.8813195941.

The spelling of 442244027 in words is "four hundred forty-two million, two hundred forty-four thousand, twenty-seven".