3220981276 has 24 divisors (see below), whose sum is σ = 5827953600. Its totient is φ = 1556436672.

The previous prime is 3220981273. The next prime is 3220981301. The reversal of 3220981276 is 6721890223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3220981273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50980 + ... + 95083.

It is an arithmetic number, because the mean of its divisors is an integer number (242831400).

Almost surely, 2^3220981276 is an apocalyptic number.

It is an amenable number.

3220981276 is a deficient number, since it is larger than the sum of its proper divisors (2606972324).

3220981276 is a wasteful number, since it uses less digits than its factorization.

3220981276 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146253 (or 146251 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 40.

The square root of 3220981276 is about 56753.6895364522. The cubic root of 3220981276 is about 1476.8262394894.

The spelling of 3220981276 in words is "three billion, two hundred twenty million, nine hundred eighty-one thousand, two hundred seventy-six".