422242003 has 2 divisors, whose sum is σ = 422242004. Its totient is φ = 422242002.

The previous prime is 422241991. The next prime is 422242013. The reversal of 422242003 is 300242224.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-422242003 is a prime.

It is not a weakly prime, because it can be changed into another prime (422242013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211121001 + 211121002.

It is an arithmetic number, because the mean of its divisors is an integer number (211121002).

Almost surely, 2^422242003 is an apocalyptic number.

422242003 is a deficient number, since it is larger than the sum of its proper divisors (1).

422242003 is an equidigital number, since it uses as much as digits as its factorization.

422242003 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 768, while the sum is 19.

The square root of 422242003 is about 20548.5280008082. The cubic root of 422242003 is about 750.2174202244.

Adding to 422242003 its reverse (300242224), we get a palindrome (722484227).

It can be divided in two parts, 4222 and 42003, that added together give a square (46225 = 215²).

The spelling of 422242003 in words is "four hundred twenty-two million, two hundred forty-two thousand, three".