3221013 has 8 divisors (see below), whose sum is σ = 4520800. Its totient is φ = 2034288.

The previous prime is 3220967. The next prime is 3221017. The reversal of 3221013 is 3101223.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3221013 - 2¹⁰ = 3219989 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3221013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3221017) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28198 + ... + 28311.

It is an arithmetic number, because the mean of its divisors is an integer number (565100).

Almost surely, 2^3221013 is an apocalyptic number.

It is an amenable number.

3221013 is a deficient number, since it is larger than the sum of its proper divisors (1299787).

3221013 is a wasteful number, since it uses less digits than its factorization.

3221013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56531.

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 3221013 is about 1794.7180837112. The cubic root of 3221013 is about 147.6831087979.

Adding to 3221013 its reverse (3101223), we get a palindrome (6322236).

It can be divided in two parts, 32210 and 13, that added together give a palindrome (32223).

The spelling of 3221013 in words is "three million, two hundred twenty-one thousand, thirteen".