422480647 has 2 divisors, whose sum is σ = 422480648. Its totient is φ = 422480646.

The previous prime is 422480609. The next prime is 422480659. The reversal of 422480647 is 746084224.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 422480647 - 2¹¹ = 422478599 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (422483647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211240323 + 211240324.

It is an arithmetic number, because the mean of its divisors is an integer number (211240324).

Almost surely, 2^422480647 is an apocalyptic number.

422480647 is a deficient number, since it is larger than the sum of its proper divisors (1).

422480647 is an equidigital number, since it uses as much as digits as its factorization.

422480647 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 86016, while the sum is 37.

The square root of 422480647 is about 20554.3340198606. The cubic root of 422480647 is about 750.3587303153.

The spelling of 422480647 in words is "four hundred twenty-two million, four hundred eighty thousand, six hundred forty-seven".