422531303 has 4 divisors (see below), whose sum is σ = 422620008. Its totient is φ = 422442600.

The previous prime is 422531299. The next prime is 422531309. The reversal of 422531303 is 303135224.

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 422531303 - 2² = 422531299 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422531309) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36776 + ... + 46877.

It is an arithmetic number, because the mean of its divisors is an integer number (105655002).

Almost surely, 2^422531303 is an apocalyptic number.

422531303 is a deficient number, since it is larger than the sum of its proper divisors (88705).

422531303 is an equidigital number, since it uses as much as digits as its factorization.

422531303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88704.

The product of its (nonzero) digits is 2160, while the sum is 23.

The square root of 422531303 is about 20555.5662291264. The cubic root of 422531303 is about 750.3887187918.

Adding to 422531303 its reverse (303135224), we get a palindrome (725666527).

The spelling of 422531303 in words is "four hundred twenty-two million, five hundred thirty-one thousand, three hundred three".