3220012032 has 88 divisors (see below), whose sum is σ = 8744882256. Its totient is φ = 1053032448.

The previous prime is 3220012009. The next prime is 3220012049. The reversal of 3220012032 is 2302100223.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 152928 + ... + 172704.

It is an arithmetic number, because the mean of its divisors is an integer number (99373662).

Almost surely, 2^3220012032 is an apocalyptic number.

3220012032 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3220012032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4372441128).

3220012032 is an abundant number, since it is smaller than the sum of its proper divisors (5524870224).

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

3220012032 is a wasteful number, since it uses less digits than its factorization.

3220012032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19853 (or 19835 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 3220012032 is about 56745.1498544149. The cubic root of 3220012032 is about 1476.6780912027.

Adding to 3220012032 its reverse (2302100223), we get a palindrome (5522112255).

The spelling of 3220012032 in words is "three billion, two hundred twenty million, twelve thousand, thirty-two".