3220441240 has 64 divisors (see below), whose sum is σ = 7740308160. Its totient is φ = 1201643520.

The previous prime is 3220441201. The next prime is 3220441249. The reversal of 3220441240 is 421440223.

It is a happy number.

3220441240 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 (3220441249) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55885 + ... + 97795.

It is an arithmetic number, because the mean of its divisors is an integer number (120942315).

Almost surely, 2^3220441240 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 3220441240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3870154080).

3220441240 is an abundant number, since it is smaller than the sum of its proper divisors (4519866920).

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

3220441240 is a wasteful number, since it uses less digits than its factorization.

3220441240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42052 (or 42048 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 3220441240 is about 56748.9316198992. The cubic root of 3220441240 is about 1476.7436990208.

Adding to 3220441240 its reverse (421440223), we get a palindrome (3641881463).

The spelling of 3220441240 in words is "three billion, two hundred twenty million, four hundred forty-one thousand, two hundred forty".