3220768716 has 24 divisors (see below), whose sum is σ = 8198320704. Its totient is φ = 975990480.

The previous prime is 3220768703. The next prime is 3220768721. The reversal of 3220768716 is 6178670223.

It is a super-2 number, since 2×3220768716² = 20746702243928577312, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12199750 + ... + 12200013.

It is an arithmetic number, because the mean of its divisors is an integer number (341596696).

Almost surely, 2^3220768716 is an apocalyptic number.

It is an amenable number.

3220768716 is an abundant number, since it is smaller than the sum of its proper divisors (4977551988).

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

3220768716 is a wasteful number, since it uses less digits than its factorization.

3220768716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24399781 (or 24399779 counting only the distinct ones).

The product of its (nonzero) digits is 169344, while the sum is 42.

The square root of 3220768716 is about 56751.8168519740. The cubic root of 3220768716 is about 1476.7937523823.

The spelling of 3220768716 in words is "three billion, two hundred twenty million, seven hundred sixty-eight thousand, seven hundred sixteen".