443220007 has 2 divisors, whose sum is σ = 443220008. Its totient is φ = 443220006.

The previous prime is 443219993. The next prime is 443220047. The reversal of 443220007 is 700022344.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-443220007 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 443220007.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (443220047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 221610003 + 221610004.

It is an arithmetic number, because the mean of its divisors is an integer number (221610004).

Almost surely, 2^443220007 is an apocalyptic number.

443220007 is a deficient number, since it is larger than the sum of its proper divisors (1).

443220007 is an equidigital number, since it uses as much as digits as its factorization.

443220007 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1344, while the sum is 22.

The square root of 443220007 is about 21052.7909551204. The cubic root of 443220007 is about 762.4413683126.

The spelling of 443220007 in words is "four hundred forty-three million, two hundred twenty thousand, seven".