422834497 has 2 divisors, whose sum is σ = 422834498. Its totient is φ = 422834496.

The previous prime is 422834491. The next prime is 422834509. The reversal of 422834497 is 794438224.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 373610241 + 49224256 = 19329^2 + 7016^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-422834497 is a prime.

It is not a weakly prime, because it can be changed into another prime (422834491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211417248 + 211417249.

It is an arithmetic number, because the mean of its divisors is an integer number (211417249).

Almost surely, 2^422834497 is an apocalyptic number.

It is an amenable number.

422834497 is a deficient number, since it is larger than the sum of its proper divisors (1).

422834497 is an equidigital number, since it uses as much as digits as its factorization.

422834497 is an evil number, because the sum of its binary digits is even.

The product of its digits is 387072, while the sum is 43.

The square root of 422834497 is about 20562.9398919512. The cubic root of 422834497 is about 750.5681602980.

The spelling of 422834497 in words is "four hundred twenty-two million, eight hundred thirty-four thousand, four hundred ninety-seven".