320226943 has 8 divisors (see below), whose sum is σ = 340094160. Its totient is φ = 300474240.

The previous prime is 320226917. The next prime is 320226947. The reversal of 320226943 is 349622023.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-320226943 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 (320226947) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22828 + ... + 34081.

It is an arithmetic number, because the mean of its divisors is an integer number (42511770).

Almost surely, 2^320226943 is an apocalyptic number.

320226943 is a deficient number, since it is larger than the sum of its proper divisors (19867217).

320226943 is a wasteful number, since it uses less digits than its factorization.

320226943 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57257.

The product of its (nonzero) digits is 15552, while the sum is 31.

The square root of 320226943 is about 17894.8859454314. The cubic root of 320226943 is about 684.1520350743.

Adding to 320226943 its reverse (349622023), we get a palindrome (669848966).

The spelling of 320226943 in words is "three hundred twenty million, two hundred twenty-six thousand, nine hundred forty-three".