422344817 has 2 divisors, whose sum is σ = 422344818. Its totient is φ = 422344816.

The previous prime is 422344771. The next prime is 422344831. The reversal of 422344817 is 718443224.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 238362721 + 183982096 = 15439^2 + 13564^2 .

It is a cyclic number.

It is not a de Polignac number, because 422344817 - 2¹⁸ = 422082673 is a prime.

It is not a weakly prime, because it can be changed into another prime (422340817) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211172408 + 211172409.

It is an arithmetic number, because the mean of its divisors is an integer number (211172409).

Almost surely, 2^422344817 is an apocalyptic number.

It is an amenable number.

422344817 is a deficient number, since it is larger than the sum of its proper divisors (1).

422344817 is an equidigital number, since it uses as much as digits as its factorization.

422344817 is an evil number, because the sum of its binary digits is even.

The product of its digits is 43008, while the sum is 35.

The square root of 422344817 is about 20551.0295849137. The cubic root of 422344817 is about 750.2783067884.

The spelling of 422344817 in words is "four hundred twenty-two million, three hundred forty-four thousand, eight hundred seventeen".