330221033 has 4 divisors (see below), whose sum is σ = 331005828. Its totient is φ = 329436240.

The previous prime is 330221029. The next prime is 330221069. The reversal of 330221033 is 330122033.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 19333609 + 310887424 = 4397^2 + 17632^2 .

It is a cyclic number.

It is not a de Polignac number, because 330221033 - 2² = 330221029 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (330221533) 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 3 ways as a sum of consecutive naturals, for example, 391766 + ... + 392607.

It is an arithmetic number, because the mean of its divisors is an integer number (82751457).

Almost surely, 2^330221033 is an apocalyptic number.

It is an amenable number.

330221033 is a deficient number, since it is larger than the sum of its proper divisors (784795).

330221033 is an equidigital number, since it uses as much as digits as its factorization.

330221033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 784794.

The product of its (nonzero) digits is 324, while the sum is 17.

The square root of 330221033 is about 18171.9848393069. The cubic root of 330221033 is about 691.1965745851.

Adding to 330221033 its reverse (330122033), we get a palindrome (660343066).

The spelling of 330221033 in words is "three hundred thirty million, two hundred twenty-one thousand, thirty-three".