442418297 has 2 divisors, whose sum is σ = 442418298. Its totient is φ = 442418296.

The previous prime is 442418281. The next prime is 442418311. The reversal of 442418297 is 792814244.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 433514041 + 8904256 = 20821^2 + 2984^2 .

It is a cyclic number.

It is not a de Polignac number, because 442418297 - 2⁴ = 442418281 is a prime.

It is not a weakly prime, because it can be changed into another prime (442418227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 221209148 + 221209149.

It is an arithmetic number, because the mean of its divisors is an integer number (221209149).

Almost surely, 2^442418297 is an apocalyptic number.

It is an amenable number.

442418297 is a deficient number, since it is larger than the sum of its proper divisors (1).

442418297 is an equidigital number, since it uses as much as digits as its factorization.

442418297 is an evil number, because the sum of its binary digits is even.

The product of its digits is 129024, while the sum is 41.

The square root of 442418297 is about 21033.7418687213. The cubic root of 442418297 is about 761.9813817116.

The spelling of 442418297 in words is "four hundred forty-two million, four hundred eighteen thousand, two hundred ninety-seven".