330012221 has 16 divisors (see below), whose sum is σ = 411844608. Its totient is φ = 256902000.

The previous prime is 330012169. The next prime is 330012259. The reversal of 330012221 is 122210033.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-330012221 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 330012196 and 330012205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (330012281) 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 15 ways as a sum of consecutive naturals, for example, 139196 + ... + 141546.

It is an arithmetic number, because the mean of its divisors is an integer number (25740288).

Almost surely, 2^330012221 is an apocalyptic number.

It is an amenable number.

330012221 is a deficient number, since it is larger than the sum of its proper divisors (81832387).

330012221 is a wasteful number, since it uses less digits than its factorization.

330012221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4192.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 330012221 is about 18166.2384934251. The cubic root of 330012221 is about 691.0508534294.

Adding to 330012221 its reverse (122210033), we get a palindrome (452222254).

The spelling of 330012221 in words is "three hundred thirty million, twelve thousand, two hundred twenty-one".