3220213220 has 96 divisors (see below), whose sum is σ = 7917896448. Its totient is φ = 1077253632.

The previous prime is 3220213211. The next prime is 3220213223. The reversal of 3220213220 is 223120223.

It is not an unprimeable number, because it can be changed into a prime (3220213223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1460639 + ... + 1462841.

It is an arithmetic number, because the mean of its divisors is an integer number (82478088).

Almost surely, 2^3220213220 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 3220213220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3958948224).

3220213220 is an abundant number, since it is smaller than the sum of its proper divisors (4697683228).

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

3220213220 is a wasteful number, since it uses less digits than its factorization.

3220213220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2469 (or 2467 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 3220213220 is about 56746.9225597301. The cubic root of 3220213220 is about 1476.7088450965.

Adding to 3220213220 its reverse (223120223), we get a palindrome (3443333443).

The spelling of 3220213220 in words is "three billion, two hundred twenty million, two hundred thirteen thousand, two hundred twenty".