330221029 has 2 divisors, whose sum is σ = 330221030. Its totient is φ = 330221028.

The previous prime is 330220997. The next prime is 330221069. The reversal of 330221029 is 920122033.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 237868929 + 92352100 = 15423^2 + 9610^2 .

It is a cyclic number.

It is not a de Polignac number, because 330221029 - 2⁵ = 330220997 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (330221069) 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 as a sum of consecutive naturals, namely, 165110514 + 165110515.

It is an arithmetic number, because the mean of its divisors is an integer number (165110515).

Almost surely, 2^330221029 is an apocalyptic number.

It is an amenable number.

330221029 is a deficient number, since it is larger than the sum of its proper divisors (1).

330221029 is an equidigital number, since it uses as much as digits as its factorization.

330221029 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648, while the sum is 22.

The square root of 330221029 is about 18171.9847292474. The cubic root of 330221029 is about 691.1965717943.

The spelling of 330221029 in words is "three hundred thirty million, two hundred twenty-one thousand, twenty-nine".