330302221 has 16 divisors (see below), whose sum is σ = 343461888. Its totient is φ = 317444400.

The previous prime is 330302209. The next prime is 330302227. The reversal of 330302221 is 122203033.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-330302221 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 330302195 and 330302204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (330302227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1075750 + ... + 1076056.

It is an arithmetic number, because the mean of its divisors is an integer number (21466368).

Almost surely, 2^330302221 is an apocalyptic number.

It is an amenable number.

330302221 is a deficient number, since it is larger than the sum of its proper divisors (13159667).

330302221 is a wasteful number, since it uses less digits than its factorization.

330302221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 672.

The product of its (nonzero) digits is 216, while the sum is 16.

The square root of 330302221 is about 18174.2185801756. The cubic root of 330302221 is about 691.2532157068.

Adding to 330302221 its reverse (122203033), we get a palindrome (452505254).

The spelling of 330302221 in words is "three hundred thirty million, three hundred two thousand, two hundred twenty-one".