3220726384 has 10 divisors (see below), whose sum is σ = 6240157400. Its totient is φ = 1610363184.

The previous prime is 3220726343. The next prime is 3220726387. The reversal of 3220726384 is 4836270223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3220726387) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100647684 + ... + 100647715.

It is an arithmetic number, because the mean of its divisors is an integer number (624015740).

Almost surely, 2^3220726384 is an apocalyptic number.

It is an amenable number.

3220726384 is a deficient number, since it is larger than the sum of its proper divisors (3019431016).

3220726384 is a wasteful number, since it uses less digits than its factorization.

3220726384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201295407 (or 201295401 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 37.

The square root of 3220726384 is about 56751.4438935257. The cubic root of 3220726384 is about 1476.7872823009.

The spelling of 3220726384 in words is "three billion, two hundred twenty million, seven hundred twenty-six thousand, three hundred eighty-four".