330221312 has 18 divisors (see below), whose sum is σ = 659153208. Its totient is φ = 165110528.

The previous prime is 330221303. The next prime is 330221321. The reversal of 330221312 is 213122033.

It is an interprime number because it is at equal distance from previous prime (330221303) and next prime (330221321).

It is a super-2 number, since 2×330221312² = 218092229798002688, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 644708 + ... + 645219.

Almost surely, 2^330221312 is an apocalyptic number.

330221312 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

330221312 is a deficient number, since it is larger than the sum of its proper divisors (328931896).

330221312 is an equidigital number, since it uses as much as digits as its factorization.

330221312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1289943 (or 1289929 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 330221312 is about 18171.9925159571. The cubic root of 330221312 is about 691.1967692464.

Adding to 330221312 its reverse (213122033), we get a palindrome (543343345).

The spelling of 330221312 in words is "three hundred thirty million, two hundred twenty-one thousand, three hundred twelve".