442440022771 has 2 divisors, whose sum is σ = 442440022772. Its totient is φ = 442440022770.

The previous prime is 442440022763. The next prime is 442440022837. The reversal of 442440022771 is 177220044244.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 442440022771 - 2³ = 442440022763 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 442440022771.

It is not a weakly prime, because it can be changed into another prime (442440022711) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 221220011385 + 221220011386.

It is an arithmetic number, because the mean of its divisors is an integer number (221220011386).

Almost surely, 2^442440022771 is an apocalyptic number.

442440022771 is a deficient number, since it is larger than the sum of its proper divisors (1).

442440022771 is an equidigital number, since it uses as much as digits as its factorization.

442440022771 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 100352, while the sum is 37.

The spelling of 442440022771 in words is "four hundred forty-two billion, four hundred forty million, twenty-two thousand, seven hundred seventy-one".