320422343444 has 24 divisors (see below), whose sum is σ = 641096832768. Its totient is φ = 137269830240.

The previous prime is 320422343419. The next prime is 320422343519. The reversal of 320422343444 is 444343224023.

It is a super-2 number, since 2×320422343444² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2178827 + ... + 2321234.

It is an arithmetic number, because the mean of its divisors is an integer number (26712368032).

Almost surely, 2^320422343444 is an apocalyptic number.

It is an amenable number.

320422343444 is an abundant number, since it is smaller than the sum of its proper divisors (320674489324).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

320422343444 is a wasteful number, since it uses less digits than its factorization.

320422343444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4502615 (or 4502613 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 35.

Adding to 320422343444 its reverse (444343224023), we get a palindrome (764765567467).

The spelling of 320422343444 in words is "three hundred twenty billion, four hundred twenty-two million, three hundred forty-three thousand, four hundred forty-four".