422320443 has 16 divisors (see below), whose sum is σ = 602370720. Its totient is φ = 262250496.

The previous prime is 422320433. The next prime is 422320453. The reversal of 422320443 is 344023224.

It is an interprime number because it is at equal distance from previous prime (422320433) and next prime (422320453).

It is not a de Polignac number, because 422320443 - 2⁸ = 422320187 is a prime.

It is not an unprimeable number, because it can be changed into a prime (422320433) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37738 + ... + 47631.

It is an arithmetic number, because the mean of its divisors is an integer number (37648170).

Almost surely, 2^422320443 is an apocalyptic number.

422320443 is a deficient number, since it is larger than the sum of its proper divisors (180050277).

422320443 is a wasteful number, since it uses less digits than its factorization.

422320443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85486.

The product of its (nonzero) digits is 4608, while the sum is 24.

The square root of 422320443 is about 20550.4365647059. The cubic root of 422320443 is about 750.2638733725.

Adding to 422320443 its reverse (344023224), we get a palindrome (766343667).

The spelling of 422320443 in words is "four hundred twenty-two million, three hundred twenty thousand, four hundred forty-three".