422944943 has 2 divisors, whose sum is σ = 422944944. Its totient is φ = 422944942.

The previous prime is 422944939. The next prime is 422945021. The reversal of 422944943 is 349449224.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 422944943 - 2² = 422944939 is a prime.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 422944943.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (422944913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211472471 + 211472472.

It is an arithmetic number, because the mean of its divisors is an integer number (211472472).

Almost surely, 2^422944943 is an apocalyptic number.

422944943 is a deficient number, since it is larger than the sum of its proper divisors (1).

422944943 is an equidigital number, since it uses as much as digits as its factorization.

422944943 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 248832, while the sum is 41.

The square root of 422944943 is about 20565.6252761738. The cubic root of 422944943 is about 750.6335050408.

The spelling of 422944943 in words is "four hundred twenty-two million, nine hundred forty-four thousand, nine hundred forty-three".