3220213 has 4 divisors (see below), whose sum is σ = 3243520. Its totient is φ = 3196908.

The previous prime is 3220211. The next prime is 3220219. The reversal of 3220213 is 3120223.

It is a happy number.

3220213 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 3120223 = 41 ⋅76103.

It is a cyclic number.

It is not a de Polignac number, because 3220213 - 2¹ = 3220211 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3220193 and 3220202.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 11445 + ... + 11722.

It is an arithmetic number, because the mean of its divisors is an integer number (810880).

Almost surely, 2^3220213 is an apocalyptic number.

It is an amenable number.

3220213 is a deficient number, since it is larger than the sum of its proper divisors (23307).

3220213 is a wasteful number, since it uses less digits than its factorization.

3220213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23306.

The product of its (nonzero) digits is 72, while the sum is 13.

The square root of 3220213 is about 1794.4951936408. The cubic root of 3220213 is about 147.6708811468.

Adding to 3220213 its reverse (3120223), we get a palindrome (6340436).

The spelling of 3220213 in words is "three million, two hundred twenty thousand, two hundred thirteen".