422406263 has 2 divisors, whose sum is σ = 422406264. Its totient is φ = 422406262.

The previous prime is 422406203. The next prime is 422406277. The reversal of 422406263 is 362604224.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 422406263 - 2¹⁶ = 422340727 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (422406203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211203131 + 211203132.

It is an arithmetic number, because the mean of its divisors is an integer number (211203132).

Almost surely, 2^422406263 is an apocalyptic number.

422406263 is a deficient number, since it is larger than the sum of its proper divisors (1).

422406263 is an equidigital number, since it uses as much as digits as its factorization.

422406263 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13824, while the sum is 29.

The square root of 422406263 is about 20552.5244921396. The cubic root of 422406263 is about 750.3146904599.

The spelling of 422406263 in words is "four hundred twenty-two million, four hundred six thousand, two hundred sixty-three".