442372417 has 2 divisors, whose sum is σ = 442372418. Its totient is φ = 442372416.

The previous prime is 442372393. The next prime is 442372577. The reversal of 442372417 is 714273244.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 406264336 + 36108081 = 20156^2 + 6009^2 .

It is a cyclic number.

It is not a de Polignac number, because 442372417 - 2⁷ = 442372289 is a prime.

It is not a weakly prime, because it can be changed into another prime (442372717) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 221186208 + 221186209.

It is an arithmetic number, because the mean of its divisors is an integer number (221186209).

Almost surely, 2^442372417 is an apocalyptic number.

It is an amenable number.

442372417 is a deficient number, since it is larger than the sum of its proper divisors (1).

442372417 is an equidigital number, since it uses as much as digits as its factorization.

442372417 is an evil number, because the sum of its binary digits is even.

The product of its digits is 37632, while the sum is 34.

The square root of 442372417 is about 21032.6512118658. The cubic root of 442372417 is about 761.9550409427.

The spelling of 442372417 in words is "four hundred forty-two million, three hundred seventy-two thousand, four hundred seventeen".