3218222 has 12 divisors (see below), whose sum is σ = 5615640. Its totient is φ = 1379196.

The previous prime is 3218221. The next prime is 3218227. The reversal of 3218222 is 2228123.

3218222 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 3218194 and 3218203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3218221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 16322 + ... + 16517.

It is an arithmetic number, because the mean of its divisors is an integer number (467970).

Almost surely, 2^3218222 is an apocalyptic number.

3218222 is a deficient number, since it is larger than the sum of its proper divisors (2397418).

3218222 is a wasteful number, since it uses less digits than its factorization.

3218222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32855 (or 32848 counting only the distinct ones).

The product of its digits is 384, while the sum is 20.

The square root of 3218222 is about 1793.9403557532. The cubic root of 3218222 is about 147.6404407857.

Subtracting from 3218222 its reverse (2228123), we obtain a palindrome (990099).

The spelling of 3218222 in words is "three million, two hundred eighteen thousand, two hundred twenty-two".