320320222 has 8 divisors (see below), whose sum is σ = 508743936. Its totient is φ = 150738912.

The previous prime is 320320213. The next prime is 320320223. The reversal of 320320222 is 222023023.

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

It is a junction number, because it is equal to n+sod(n) for n = 320320196 and 320320205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320320223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4710558 + ... + 4710625.

It is an arithmetic number, because the mean of its divisors is an integer number (63592992).

Almost surely, 2^320320222 is an apocalyptic number.

320320222 is a deficient number, since it is larger than the sum of its proper divisors (188423714).

320320222 is a wasteful number, since it uses less digits than its factorization.

320320222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9421202.

The product of its (nonzero) digits is 288, while the sum is 16.

The square root of 320320222 is about 17897.4920589450. The cubic root of 320320222 is about 684.2184575742.

Adding to 320320222 its reverse (222023023), we get a palindrome (542343245).

The spelling of 320320222 in words is "three hundred twenty million, three hundred twenty thousand, two hundred twenty-two".