3122223330220 has 96 divisors (see below), whose sum is σ = 6880840598016. Its totient is φ = 1188493516800.

The previous prime is 3122223330211. The next prime is 3122223330229. The reversal of 3122223330220 is 220333222213.

It is an interprime number because it is at equal distance from previous prime (3122223330211) and next prime (3122223330229).

It is not an unprimeable number, because it can be changed into a prime (3122223330229) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 207132604 + ... + 207147676.

It is an arithmetic number, because the mean of its divisors is an integer number (71675422896).

Almost surely, 2^{3122223330220} 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 3122223330220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3440420299008).

3122223330220 is an abundant number, since it is smaller than the sum of its proper divisors (3758617267796).

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

3122223330220 is a wasteful number, since it uses less digits than its factorization.

3122223330220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20651 (or 20649 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 25.

Adding to 3122223330220 its reverse (220333222213), we get a palindrome (3342556552433).

The spelling of 3122223330220 in words is "three trillion, one hundred twenty-two billion, two hundred twenty-three million, three hundred thirty thousand, two hundred twenty".