442463207 has 2 divisors, whose sum is σ = 442463208. Its totient is φ = 442463206.

The previous prime is 442463183. The next prime is 442463291. The reversal of 442463207 is 702364244.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 442463207 - 2⁶ = 442463143 is a prime.

It is a Chen prime.

It is equal to p_23474552 and since 442463207 and 23474552 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (442463107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 221231603 + 221231604.

It is an arithmetic number, because the mean of its divisors is an integer number (221231604).

Almost surely, 2^442463207 is an apocalyptic number.

442463207 is a deficient number, since it is larger than the sum of its proper divisors (1).

442463207 is an equidigital number, since it uses as much as digits as its factorization.

442463207 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32256, while the sum is 32.

The square root of 442463207 is about 21034.8094120199. The cubic root of 442463207 is about 762.0071638173.

The spelling of 442463207 in words is "four hundred forty-two million, four hundred sixty-three thousand, two hundred seven".