3321220000 has 180 divisors, whose sum is σ = 9507495690. Its totient is φ = 1138368000.

The previous prime is 3321219997. The next prime is 3321220003. The reversal of 3321220000 is 221233.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (3321219997) and next prime (3321220003).

It can be written as a sum of positive squares in 5 ways, for example, as 541399824 + 2779820176 = 23268^2 + 52724^2 .

It is a super-2 number, since 2×3321220000² = 22061004576800000000, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3321220003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 978306 + ... + 981694.

Almost surely, 2^3321220000 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 3321220000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4753747845).

3321220000 is an abundant number, since it is smaller than the sum of its proper divisors (6186275690).

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

3321220000 is an equidigital number, since it uses as much as digits as its factorization.

3321220000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3433 (or 3403 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 13.

The square root of 3321220000 is about 57630.0268957078. The cubic root of 3321220000 is about 1491.9898942023.

Adding to 3321220000 its reverse (221233), we get a palindrome (3321441233).

The spelling of 3321220000 in words is "three billion, three hundred twenty-one million, two hundred twenty thousand".