422564833 has 2 divisors, whose sum is σ = 422564834. Its totient is φ = 422564832.

The previous prime is 422564777. The next prime is 422564843. The reversal of 422564833 is 338465224.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 363397969 + 59166864 = 19063^2 + 7692^2 .

It is a cyclic number.

It is not a de Polignac number, because 422564833 - 2⁹ = 422564321 is a prime.

It is a super-2 number, since 2×422564833² = 357122076176635778, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 422564792 and 422564801.

It is not a weakly prime, because it can be changed into another prime (422564843) 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, 211282416 + 211282417.

It is an arithmetic number, because the mean of its divisors is an integer number (211282417).

Almost surely, 2^422564833 is an apocalyptic number.

It is an amenable number.

422564833 is a deficient number, since it is larger than the sum of its proper divisors (1).

422564833 is an equidigital number, since it uses as much as digits as its factorization.

422564833 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 138240, while the sum is 37.

The square root of 422564833 is about 20556.3818071177. The cubic root of 422564833 is about 750.4085673158.

It can be divided in two parts, 42256 and 4833, that added together give a square (47089 = 217²).

The spelling of 422564833 in words is "four hundred twenty-two million, five hundred sixty-four thousand, eight hundred thirty-three".