320222326 has 4 divisors (see below), whose sum is σ = 480333492. Its totient is φ = 160111162.

The previous prime is 320222297. The next prime is 320222339. The reversal of 320222326 is 623222023.

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

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 320222297 and 320222306.

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, 80055580 + ... + 80055583.

It is an arithmetic number, because the mean of its divisors is an integer number (120083373).

Almost surely, 2^320222326 is an apocalyptic number.

320222326 is a deficient number, since it is larger than the sum of its proper divisors (160111166).

320222326 is a wasteful number, since it uses less digits than its factorization.

320222326 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160111165.

The product of its (nonzero) digits is 1728, while the sum is 22.

The square root of 320222326 is about 17894.7569416296. The cubic root of 320222326 is about 684.1487470467.

Adding to 320222326 its reverse (623222023), we get a palindrome (943444349).

The spelling of 320222326 in words is "three hundred twenty million, two hundred twenty-two thousand, three hundred twenty-six".