422517673 has 2 divisors, whose sum is σ = 422517674. Its totient is φ = 422517672.

The previous prime is 422517647. The next prime is 422517691. The reversal of 422517673 is 376715224.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 218684944 + 203832729 = 14788^2 + 14277^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-422517673 is a prime.

It is not a weakly prime, because it can be changed into another prime (422517373) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211258836 + 211258837.

It is an arithmetic number, because the mean of its divisors is an integer number (211258837).

Almost surely, 2^422517673 is an apocalyptic number.

It is an amenable number.

422517673 is a deficient number, since it is larger than the sum of its proper divisors (1).

422517673 is an equidigital number, since it uses as much as digits as its factorization.

422517673 is an evil number, because the sum of its binary digits is even.

The product of its digits is 70560, while the sum is 37.

The square root of 422517673 is about 20555.2346860842. The cubic root of 422517673 is about 750.3806500340.

The spelling of 422517673 in words is "four hundred twenty-two million, five hundred seventeen thousand, six hundred seventy-three".