3220181712 has 360 divisors, whose sum is σ = 10651193280. Its totient is φ = 904780800.

The previous prime is 3220181689. The next prime is 3220181717. The reversal of 3220181712 is 2171810223.

3220181712 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3220181717) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 23504908 + ... + 23505044.

It is an arithmetic number, because the mean of its divisors is an integer number (29586648).

Almost surely, 2^3220181712 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 3220181712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5325596640).

3220181712 is an abundant number, since it is smaller than the sum of its proper divisors (7431011568).

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

3220181712 is a wasteful number, since it uses less digits than its factorization.

3220181712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 263 (or 243 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 27.

The square root of 3220181712 is about 56746.6449404720. The cubic root of 3220181712 is about 1476.7040288218.

Adding to 3220181712 its reverse (2171810223), we get a palindrome (5391991935).

The spelling of 3220181712 in words is "three billion, two hundred twenty million, one hundred eighty-one thousand, seven hundred twelve".