3220740748724 has 12 divisors (see below), whose sum is σ = 5636364174084. Its totient is φ = 1610350984704.

The previous prime is 3220740748679. The next prime is 3220740748759. The reversal of 3220740748724 is 4278470470223.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 2330110660900 + 890630087824 = 1526470^2 + 943732^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4470419 + ... + 5140634.

It is an arithmetic number, because the mean of its divisors is an integer number (469697014507).

Almost surely, 2^{3220740748724} is an apocalyptic number.

It is an amenable number.

3220740748724 is a deficient number, since it is larger than the sum of its proper divisors (2415623425360).

3220740748724 is a wasteful number, since it uses less digits than its factorization.

3220740748724 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9694834 (or 9694832 counting only the distinct ones).

The product of its (nonzero) digits is 4214784, while the sum is 50.

The spelling of 3220740748724 in words is "three trillion, two hundred twenty billion, seven hundred forty million, seven hundred forty-eight thousand, seven hundred twenty-four".