3220212100 has 72 divisors (see below), whose sum is σ = 8098731648. Its totient is φ = 1088505600.

The previous prime is 3220212077. The next prime is 3220212101. The reversal of 3220212100 is 12120223.

3220212100 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (3220212101) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17304 + ... + 82096.

It is an arithmetic number, because the mean of its divisors is an integer number (112482384).

Almost surely, 2^3220212100 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 3220212100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4049365824).

3220212100 is an abundant number, since it is smaller than the sum of its proper divisors (4878519548).

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

3220212100 is a wasteful number, since it uses less digits than its factorization.

3220212100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64885 (or 64878 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 3220212100 is about 56746.9126913526. The cubic root of 3220212100 is about 1476.7086738952.

Adding to 3220212100 its reverse (12120223), we get a palindrome (3232332323).

The spelling of 3220212100 in words is "three billion, two hundred twenty million, two hundred twelve thousand, one hundred".