3221220033300 has 144 divisors (see below), whose sum is σ = 9573207553280. Its totient is φ = 835666813440.

The previous prime is 3221220033289. The next prime is 3221220033301. The reversal of 3221220033300 is 33300221223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3221220033301) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 118079262 + ... + 118106538.

Almost surely, 2^{3221220033300} is an apocalyptic number.

3221220033300 is a gapful number since it is divisible by the number (30) 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 3221220033300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4786603776640).

3221220033300 is an abundant number, since it is smaller than the sum of its proper divisors (6351987519980).

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

3221220033300 is a wasteful number, since it uses less digits than its factorization.

3221220033300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37970 (or 37963 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 21.

Adding to 3221220033300 its reverse (33300221223), we get a palindrome (3254520254523).

The spelling of 3221220033300 in words is "three trillion, two hundred twenty-one billion, two hundred twenty million, thirty-three thousand, three hundred".