3220206 has 32 divisors (see below), whose sum is σ = 7112448. Its totient is φ = 963840.

The previous prime is 3220201. The next prime is 3220211. The reversal of 3220206 is 6020223.

3220206 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (3220201) and next prime (3220211).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3220201) 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, 6151 + ... + 6653.

It is an arithmetic number, because the mean of its divisors is an integer number (222264).

Almost surely, 2^3220206 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3220206, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3556224).

3220206 is an abundant number, since it is smaller than the sum of its proper divisors (3892242).

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

3220206 is a wasteful number, since it uses less digits than its factorization.

3220206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 616.

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 3220206 is about 1794.4932432305. The cubic root of 3220206 is about 147.6707741459.

Adding to 3220206 its reverse (6020223), we get a palindrome (9240429).

The spelling of 3220206 in words is "three million, two hundred twenty thousand, two hundred six".