320133222 has 40 divisors (see below), whose sum is σ = 759538296. Its totient is φ = 100433088.

The previous prime is 320133217. The next prime is 320133227. The reversal of 320133222 is 222331023.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (320133217) and next prime (320133227).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 320133195 and 320133204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320133227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 55368 + ... + 60875.

Almost surely, 2^320133222 is an apocalyptic number.

320133222 is an abundant number, since it is smaller than the sum of its proper divisors (439405074).

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

320133222 is a wasteful number, since it uses less digits than its factorization.

320133222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116274 (or 116265 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 320133222 is about 17892.2671006220. The cubic root of 320133222 is about 684.0852848413.

Adding to 320133222 its reverse (222331023), we get a palindrome (542464245).

The spelling of 320133222 in words is "three hundred twenty million, one hundred thirty-three thousand, two hundred twenty-two".