3221003000 has 64 divisors (see below), whose sum is σ = 7569244800. Its totient is φ = 1282915200.

The previous prime is 3221002997. The next prime is 3221003003. The reversal of 3221003000 is 3001223.

It is an interprime number because it is at equal distance from previous prime (3221002997) and next prime (3221003003).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3221003003) 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, 232262 + ... + 245738.

It is an arithmetic number, because the mean of its divisors is an integer number (118269450).

Almost surely, 2^3221003000 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 3221003000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3784622400).

3221003000 is an abundant number, since it is smaller than the sum of its proper divisors (4348241800).

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

3221003000 is a wasteful number, since it uses less digits than its factorization.

3221003000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13737 (or 13723 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 11.

The square root of 3221003000 is about 56753.8809245676. The cubic root of 3221003000 is about 1476.8295596475.

Adding to 3221003000 its reverse (3001223), we get a palindrome (3224004223).

The spelling of 3221003000 in words is "three billion, two hundred twenty-one million, three thousand".