422888497 has 2 divisors, whose sum is σ = 422888498. Its totient is φ = 422888496.

The previous prime is 422888443. The next prime is 422888519. The reversal of 422888497 is 794888224.

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., 391090176 + 31798321 = 19776^2 + 5639^2 .

It is a cyclic number.

It is not a de Polignac number, because 422888497 - 2²³ = 414499889 is a prime.

It is not a weakly prime, because it can be changed into another prime (422888407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211444248 + 211444249.

It is an arithmetic number, because the mean of its divisors is an integer number (211444249).

Almost surely, 2^422888497 is an apocalyptic number.

It is an amenable number.

422888497 is a deficient number, since it is larger than the sum of its proper divisors (1).

422888497 is an equidigital number, since it uses as much as digits as its factorization.

422888497 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2064384, while the sum is 52.

The square root of 422888497 is about 20564.2528918509. The cubic root of 422888497 is about 750.6001105099.

The spelling of 422888497 in words is "four hundred twenty-two million, eight hundred eighty-eight thousand, four hundred ninety-seven".