3223218 has 16 divisors (see below), whose sum is σ = 6621120. Its totient is φ = 1045296.

The previous prime is 3223211. The next prime is 3223223. The reversal of 3223218 is 8123223.

3223218 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×3223218³ (a number of 21 digits) contains 333 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 3223194 and 3223203.

It is not an unprimeable number, because it can be changed into a prime (3223211) 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 7 ways as a sum of consecutive naturals, for example, 7038 + ... + 7481.

It is an arithmetic number, because the mean of its divisors is an integer number (413820).

Almost surely, 2^3223218 is an apocalyptic number.

3223218 is an abundant number, since it is smaller than the sum of its proper divisors (3397902).

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

3223218 is a wasteful number, since it uses less digits than its factorization.

3223218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14561.

The product of its digits is 576, while the sum is 21.

The square root of 3223218 is about 1795.3322812226. The cubic root of 3223218 is about 147.7168007840.

The spelling of 3223218 in words is "three million, two hundred twenty-three thousand, two hundred eighteen".