3228681756 has 12 divisors (see below), whose sum is σ = 7533590792. Its totient is φ = 1076227248.

The previous prime is 3228681751. The next prime is 3228681767. The reversal of 3228681756 is 6571868223.

It is a tau number, because it is divible by the number of its divisors (12).

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3228681751) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 134528395 + ... + 134528418.

Almost surely, 2^3228681756 is an apocalyptic number.

It is an amenable number.

3228681756 is an abundant number, since it is smaller than the sum of its proper divisors (4304909036).

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

3228681756 is a wasteful number, since it uses less digits than its factorization.

3228681756 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 269056820 (or 269056818 counting only the distinct ones).

The product of its digits is 967680, while the sum is 48.

The square root of 3228681756 is about 56821.4902655677. The cubic root of 3228681756 is about 1478.0021979223.

The spelling of 3228681756 in words is "three billion, two hundred twenty-eight million, six hundred eighty-one thousand, seven hundred fifty-six".