422949673 has 2 divisors, whose sum is σ = 422949674. Its totient is φ = 422949672.

The previous prime is 422949643. The next prime is 422949697. The reversal of 422949673 is 376949224.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 314956009 + 107993664 = 17747^2 + 10392^2 .

It is a cyclic number.

It is not a de Polignac number, because 422949673 - 2²¹ = 420852521 is a prime.

It is not a weakly prime, because it can be changed into another prime (422949643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211474836 + 211474837.

It is an arithmetic number, because the mean of its divisors is an integer number (211474837).

Almost surely, 2^422949673 is an apocalyptic number.

It is an amenable number.

422949673 is a deficient number, since it is larger than the sum of its proper divisors (1).

422949673 is an equidigital number, since it uses as much as digits as its factorization.

422949673 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 653184, while the sum is 46.

The square root of 422949673 is about 20565.7402735715. The cubic root of 422949673 is about 750.6363032641.

The spelling of 422949673 in words is "four hundred twenty-two million, nine hundred forty-nine thousand, six hundred seventy-three".