422306263 has 2 divisors, whose sum is σ = 422306264. Its totient is φ = 422306262.

The previous prime is 422306249. The next prime is 422306317. The reversal of 422306263 is 362603224.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 422306263 - 2¹⁷ = 422175191 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (422306063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211153131 + 211153132.

It is an arithmetic number, because the mean of its divisors is an integer number (211153132).

Almost surely, 2^422306263 is an apocalyptic number.

422306263 is a deficient number, since it is larger than the sum of its proper divisors (1).

422306263 is an equidigital number, since it uses as much as digits as its factorization.

422306263 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10368, while the sum is 28.

The square root of 422306263 is about 20550.0915569737. The cubic root of 422306263 is about 750.2554762252.

Adding to 422306263 its reverse (362603224), we get a palindrome (784909487).

The spelling of 422306263 in words is "four hundred twenty-two million, three hundred six thousand, two hundred sixty-three".