442441007 has 2 divisors, whose sum is σ = 442441008. Its totient is φ = 442441006.

The previous prime is 442441003. The next prime is 442441019. The reversal of 442441007 is 700144244.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 442441007 - 2² = 442441003 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (442441003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 221220503 + 221220504.

It is an arithmetic number, because the mean of its divisors is an integer number (221220504).

Almost surely, 2^442441007 is an apocalyptic number.

442441007 is a deficient number, since it is larger than the sum of its proper divisors (1).

442441007 is an equidigital number, since it uses as much as digits as its factorization.

442441007 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3584, while the sum is 26.

The square root of 442441007 is about 21034.2817086774. The cubic root of 442441007 is about 761.9944193739.

The spelling of 442441007 in words is "four hundred forty-two million, four hundred forty-one thousand, seven".