3330221312 has 72 divisors (see below), whose sum is σ = 7371007392. Its totient is φ = 1488844800.

The previous prime is 3330221309. The next prime is 3330221317. The reversal of 3330221312 is 2131220333.

It is a super-2 number, since 2×3330221312² = 22180747973798002688, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3330221317) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 162083 + ... + 181469.

Almost surely, 2^3330221312 is an apocalyptic number.

3330221312 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 3330221312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3685503696).

3330221312 is an abundant number, since it is smaller than the sum of its proper divisors (4040786080).

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

3330221312 is a wasteful number, since it uses less digits than its factorization.

3330221312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19475 (or 19461 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 20.

The square root of 3330221312 is about 57708.0697303245. The cubic root of 3330221312 is about 1493.3365632016.

Adding to 3330221312 its reverse (2131220333), we get a palindrome (5461441645).

The spelling of 3330221312 in words is "three billion, three hundred thirty million, two hundred twenty-one thousand, three hundred twelve".