442330297 has 2 divisors, whose sum is σ = 442330298. Its totient is φ = 442330296.

The previous prime is 442330271. The next prime is 442330303. The reversal of 442330297 is 792033244.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 295702416 + 146627881 = 17196^2 + 12109^2 .

It is a cyclic number.

It is not a de Polignac number, because 442330297 - 2⁷ = 442330169 is a prime.

It is not a weakly prime, because it can be changed into another prime (442330247) 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, 221165148 + 221165149.

It is an arithmetic number, because the mean of its divisors is an integer number (221165149).

Almost surely, 2^442330297 is an apocalyptic number.

It is an amenable number.

442330297 is a deficient number, since it is larger than the sum of its proper divisors (1).

442330297 is an equidigital number, since it uses as much as digits as its factorization.

442330297 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36288, while the sum is 34.

The square root of 442330297 is about 21031.6498877287. The cubic root of 442330297 is about 761.9308572732.

The spelling of 442330297 in words is "four hundred forty-two million, three hundred thirty thousand, two hundred ninety-seven".