3220513646 has 8 divisors (see below), whose sum is σ = 5520880560. Its totient is φ = 1380220128.

The previous prime is 3220513603. The next prime is 3220513687. The reversal of 3220513646 is 6463150223.

It is a sphenic number, since it is the product of 3 distinct primes.

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, 115018331 + ... + 115018358.

It is an arithmetic number, because the mean of its divisors is an integer number (690110070).

Almost surely, 2^3220513646 is an apocalyptic number.

3220513646 is a deficient number, since it is larger than the sum of its proper divisors (2300366914).

3220513646 is a wasteful number, since it uses less digits than its factorization.

3220513646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230036698.

The product of its (nonzero) digits is 25920, while the sum is 32.

The square root of 3220513646 is about 56749.5695666496. The cubic root of 3220513646 is about 1476.7547662727.

Adding to 3220513646 its reverse (6463150223), we get a palindrome (9683663869).

The spelling of 3220513646 in words is "three billion, two hundred twenty million, five hundred thirteen thousand, six hundred forty-six".