422003403 has 12 divisors (see below), whose sum is σ = 629224128. Its totient is φ = 272260080.

The previous prime is 422003401. The next prime is 422003411. The reversal of 422003403 is 304300224.

It is not a de Polignac number, because 422003403 - 2¹ = 422003401 is a prime.

It is not an unprimeable number, because it can be changed into a prime (422003401) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 756000 + ... + 756557.

It is an arithmetic number, because the mean of its divisors is an integer number (52435344).

Almost surely, 2^422003403 is an apocalyptic number.

422003403 is a deficient number, since it is larger than the sum of its proper divisors (207220725).

422003403 is a wasteful number, since it uses less digits than its factorization.

422003403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1512594 (or 1512591 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 18.

The square root of 422003403 is about 20542.7214117312. The cubic root of 422003403 is about 750.0760829483.

Adding to 422003403 its reverse (304300224), we get a palindrome (726303627).

The spelling of 422003403 in words is "four hundred twenty-two million, three thousand, four hundred three".