422203403 has 4 divisors (see below), whose sum is σ = 422601648. Its totient is φ = 421805160.

The previous prime is 422203393. The next prime is 422203471. The reversal of 422203403 is 304302224.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 422203403 - 2⁶ = 422203339 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (422203003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 197528 + ... + 199653.

It is an arithmetic number, because the mean of its divisors is an integer number (105650412).

Almost surely, 2^422203403 is an apocalyptic number.

422203403 is a deficient number, since it is larger than the sum of its proper divisors (398245).

422203403 is a wasteful number, since it uses less digits than its factorization.

422203403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 398244.

The product of its (nonzero) digits is 1152, while the sum is 20.

The square root of 422203403 is about 20547.5887393144. The cubic root of 422203403 is about 750.1945587100.

Adding to 422203403 its reverse (304302224), we get a palindrome (726505627).

The spelling of 422203403 in words is "four hundred twenty-two million, two hundred three thousand, four hundred three".