3220630306 has 8 divisors (see below), whose sum is σ = 4831209900. Its totient is φ = 1610227008.

The previous prime is 3220630271. The next prime is 3220630313. The reversal of 3220630306 is 6030360223.

It can be written as a sum of positive squares in 2 ways, for example, as 2670305625 + 550324681 = 51675^2 + 23459^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20550 + ... + 82846.

Almost surely, 2^3220630306 is an apocalyptic number.

3220630306 is a deficient number, since it is larger than the sum of its proper divisors (1610579594).

3220630306 is a wasteful number, since it uses less digits than its factorization.

3220630306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88148.

The product of its (nonzero) digits is 3888, while the sum is 25.

The square root of 3220630306 is about 56750.5974065472. The cubic root of 3220630306 is about 1476.7725973963.

Adding to 3220630306 its reverse (6030360223), we get a palindrome (9250990529).

The spelling of 3220630306 in words is "three billion, two hundred twenty million, six hundred thirty thousand, three hundred six".