422566003 has 2 divisors, whose sum is σ = 422566004. Its totient is φ = 422566002.

The previous prime is 422565961. The next prime is 422566007. The reversal of 422566003 is 300665224.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-422566003 is a prime.

It is not a weakly prime, because it can be changed into another prime (422566007) 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, 211283001 + 211283002.

It is an arithmetic number, because the mean of its divisors is an integer number (211283002).

Almost surely, 2^422566003 is an apocalyptic number.

422566003 is a deficient number, since it is larger than the sum of its proper divisors (1).

422566003 is an equidigital number, since it uses as much as digits as its factorization.

422566003 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8640, while the sum is 28.

The square root of 422566003 is about 20556.4102654136. The cubic root of 422566003 is about 750.4092598938.

The spelling of 422566003 in words is "four hundred twenty-two million, five hundred sixty-six thousand, three".