422434503 has 24 divisors (see below), whose sum is σ = 633363120. Its totient is φ = 270990720.

The previous prime is 422434477. The next prime is 422434511. The reversal of 422434503 is 305434224.

It is not a de Polignac number, because 422434503 - 2⁵ = 422434471 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422434553) 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 in 23 ways as a sum of consecutive naturals, for example, 79108 + ... + 84278.

It is an arithmetic number, because the mean of its divisors is an integer number (26390130).

Almost surely, 2^422434503 is an apocalyptic number.

422434503 is a deficient number, since it is larger than the sum of its proper divisors (210928617).

422434503 is a wasteful number, since it uses less digits than its factorization.

422434503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5519 (or 5516 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 27.

The square root of 422434503 is about 20553.2115008823. The cubic root of 422434503 is about 750.3314108675.

Adding to 422434503 its reverse (305434224), we get a palindrome (727868727).

The spelling of 422434503 in words is "four hundred twenty-two million, four hundred thirty-four thousand, five hundred three".