422444003 has 4 divisors (see below), whose sum is σ = 425035848. Its totient is φ = 419852160.

The previous prime is 422443981. The next prime is 422444017. The reversal of 422444003 is 300444224.

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 422444003 - 2⁶ = 422443939 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 422444003.

It is not an unprimeable number, because it can be changed into a prime (422444023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1295678 + ... + 1296003.

It is an arithmetic number, because the mean of its divisors is an integer number (106258962).

Almost surely, 2^422444003 is an apocalyptic number.

422444003 is a deficient number, since it is larger than the sum of its proper divisors (2591845).

422444003 is a wasteful number, since it uses less digits than its factorization.

422444003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2591844.

The product of its (nonzero) digits is 3072, while the sum is 23.

The square root of 422444003 is about 20553.4426070184. The cubic root of 422444003 is about 750.3370354831.

Adding to 422444003 its reverse (300444224), we get a palindrome (722888227).

The spelling of 422444003 in words is "four hundred twenty-two million, four hundred forty-four thousand, three".