3220383816 has 48 divisors (see below), whose sum is σ = 9392788860. Its totient is φ = 990887040.

The previous prime is 3220383811. The next prime is 3220383823. The reversal of 3220383816 is 6183830223.

It can be written as a sum of positive squares in 2 ways, for example, as 3218292900 + 2090916 = 56730^2 + 1446^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (3220383811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1719355 + ... + 1721226.

Almost surely, 2^3220383816 is an apocalyptic number.

3220383816 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

3220383816 is an abundant number, since it is smaller than the sum of its proper divisors (6172405044).

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

3220383816 is a wasteful number, since it uses less digits than its factorization.

3220383816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3440606 (or 3440599 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 36.

The square root of 3220383816 is about 56748.4256697928. The cubic root of 3220383816 is about 1476.7349216486.

The spelling of 3220383816 in words is "three billion, two hundred twenty million, three hundred eighty-three thousand, eight hundred sixteen".