442242677 has 2 divisors, whose sum is σ = 442242678. Its totient is φ = 442242676.

The previous prime is 442242623. The next prime is 442242733. The reversal of 442242677 is 776242244.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 441588196 + 654481 = 21014^2 + 809^2 .

It is a cyclic number.

It is not a de Polignac number, because 442242677 - 2⁸ = 442242421 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 442242677.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (442242077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 221121338 + 221121339.

It is an arithmetic number, because the mean of its divisors is an integer number (221121339).

Almost surely, 2^442242677 is an apocalyptic number.

It is an amenable number.

442242677 is a deficient number, since it is larger than the sum of its proper divisors (1).

442242677 is an equidigital number, since it uses as much as digits as its factorization.

442242677 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 150528, while the sum is 38.

The square root of 442242677 is about 21029.5667335302. The cubic root of 442242677 is about 761.8805443503.

The spelling of 442242677 in words is "four hundred forty-two million, two hundred forty-two thousand, six hundred seventy-seven".