3220217 has 16 divisors (see below), whose sum is σ = 4324992. Its totient is φ = 2315520.

The previous prime is 3220211. The next prime is 3220219. The reversal of 3220217 is 7120223.

3220217 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 3220217 - 2⁴ = 3220201 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3220195 and 3220204.

It is not an unprimeable number, because it can be changed into a prime (3220211) 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 15 ways as a sum of consecutive naturals, for example, 608 + ... + 2609.

It is an arithmetic number, because the mean of its divisors is an integer number (270312).

Almost surely, 2^3220217 is an apocalyptic number.

It is an amenable number.

3220217 is a deficient number, since it is larger than the sum of its proper divisors (1104775).

3220217 is a wasteful number, since it uses less digits than its factorization.

3220217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3248.

The product of its (nonzero) digits is 168, while the sum is 17.

The square root of 3220217 is about 1794.4963081600. The cubic root of 3220217 is about 147.6709422901.

The spelling of 3220217 in words is "three million, two hundred twenty thousand, two hundred seventeen".