3220637612 has 12 divisors (see below), whose sum is σ = 5652267600. Its totient is φ = 1605704016.

The previous prime is 3220637611. The next prime is 3220637621. The reversal of 3220637612 is 2167360223.

It is not an unprimeable number, because it can be changed into a prime (3220637611) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1152128 + ... + 1154919.

It is an arithmetic number, because the mean of its divisors is an integer number (471022300).

Almost surely, 2^3220637612 is an apocalyptic number.

It is an amenable number.

3220637612 is a deficient number, since it is larger than the sum of its proper divisors (2431629988).

3220637612 is a wasteful number, since it uses less digits than its factorization.

3220637612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2307400 (or 2307398 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 32.

The square root of 3220637612 is about 56750.6617758771. The cubic root of 3220637612 is about 1476.7737140817.

Adding to 3220637612 its reverse (2167360223), we get a palindrome (5387997835).

The spelling of 3220637612 in words is "three billion, two hundred twenty million, six hundred thirty-seven thousand, six hundred twelve".