3220535200 has 72 divisors (see below), whose sum is σ = 7899806880. Its totient is φ = 1282041600.

The previous prime is 3220535179. The next prime is 3220535249. The reversal of 3220535200 is 25350223.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 159261 + ... + 178339.

It is an arithmetic number, because the mean of its divisors is an integer number (109719540).

Almost surely, 2^3220535200 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 3220535200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3949903440).

3220535200 is an abundant number, since it is smaller than the sum of its proper divisors (4679271680).

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

3220535200 is a wasteful number, since it uses less digits than its factorization.

3220535200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19310 (or 19297 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 22.

The square root of 3220535200 is about 56749.7594708559. The cubic root of 3220535200 is about 1476.7580607680.

Adding to 3220535200 its reverse (25350223), we get a palindrome (3245885423).

The spelling of 3220535200 in words is "three billion, two hundred twenty million, five hundred thirty-five thousand, two hundred".