3220585536 has 224 divisors, whose sum is σ = 10646249472. Its totient is φ = 837918720.

The previous prime is 3220585513. The next prime is 3220585549. The reversal of 3220585536 is 6355850223.

It is a tau number, because it is divible by the number of its divisors (224).

It is a junction number, because it is equal to n+sod(n) for n = 3220585494 and 3220585503.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 706015 + ... + 710561.

Almost surely, 2^3220585536 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3220585536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5323124736).

3220585536 is an abundant number, since it is smaller than the sum of its proper divisors (7425663936).

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

3220585536 is a wasteful number, since it uses less digits than its factorization.

3220585536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4617 (or 4607 counting only the distinct ones).

The product of its (nonzero) digits is 216000, while the sum is 39.

The square root of 3220585536 is about 56750.2029599895. The cubic root of 3220585536 is about 1476.7657544899.

The spelling of 3220585536 in words is "three billion, two hundred twenty million, five hundred eighty-five thousand, five hundred thirty-six".