320043422 has 4 divisors (see below), whose sum is σ = 480065136. Its totient is φ = 160021710.

The previous prime is 320043419. The next prime is 320043431. The reversal of 320043422 is 224340023.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 320043394 and 320043403.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 80010854 + ... + 80010857.

It is an arithmetic number, because the mean of its divisors is an integer number (120016284).

Almost surely, 2^320043422 is an apocalyptic number.

320043422 is a deficient number, since it is larger than the sum of its proper divisors (160021714).

320043422 is a wasteful number, since it uses less digits than its factorization.

320043422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160021713.

The product of its (nonzero) digits is 1152, while the sum is 20.

The square root of 320043422 is about 17889.7574606253. The cubic root of 320043422 is about 684.0213150112.

Adding to 320043422 its reverse (224340023), we get a palindrome (544383445).

The spelling of 320043422 in words is "three hundred twenty million, forty-three thousand, four hundred twenty-two".