442465427 has 2 divisors, whose sum is σ = 442465428. Its totient is φ = 442465426.

The previous prime is 442465411. The next prime is 442465451. The reversal of 442465427 is 724564244.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 442465427 - 2⁴ = 442465411 is a prime.

It is not a weakly prime, because it can be changed into another prime (442461427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 221232713 + 221232714.

It is an arithmetic number, because the mean of its divisors is an integer number (221232714).

Almost surely, 2^442465427 is an apocalyptic number.

442465427 is a deficient number, since it is larger than the sum of its proper divisors (1).

442465427 is an equidigital number, since it uses as much as digits as its factorization.

442465427 is an evil number, because the sum of its binary digits is even.

The product of its digits is 215040, while the sum is 38.

The square root of 442465427 is about 21034.8621816260. The cubic root of 442465427 is about 762.0084382382.

The spelling of 442465427 in words is "four hundred forty-two million, four hundred sixty-five thousand, four hundred twenty-seven".