3220630 has 32 divisors (see below), whose sum is σ = 6693120. Its totient is φ = 1092960.

The previous prime is 3220627. The next prime is 3220639. The reversal of 3220630 is 360223.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3220639) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9565 + ... + 9895.

It is an arithmetic number, because the mean of its divisors is an integer number (209160).

Almost surely, 2^3220630 is an apocalyptic number.

3220630 is an abundant number, since it is smaller than the sum of its proper divisors (3472490).

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

3220630 is a wasteful number, since it uses less digits than its factorization.

3220630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 484.

The product of its (nonzero) digits is 216, while the sum is 16.

The square root of 3220630 is about 1794.6113785441. The cubic root of 3220630 is about 147.6772550626.

Adding to 3220630 its reverse (360223), we get a palindrome (3580853).

The spelling of 3220630 in words is "three million, two hundred twenty thousand, six hundred thirty".