330411221 has 8 divisors (see below), whose sum is σ = 387818880. Its totient is φ = 275555088.

The previous prime is 330411203. The next prime is 330411229. The reversal of 330411221 is 122114033.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 330411221 - 2⁶ = 330411157 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 330411221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (330411229) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 637601 + ... + 638118.

It is an arithmetic number, because the mean of its divisors is an integer number (48477360).

Almost surely, 2^330411221 is an apocalyptic number.

It is an amenable number.

330411221 is a deficient number, since it is larger than the sum of its proper divisors (57407659).

330411221 is a wasteful number, since it uses less digits than its factorization.

330411221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1275763.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 330411221 is about 18177.2170862319. The cubic root of 330411221 is about 691.3292453842.

Adding to 330411221 its reverse (122114033), we get a palindrome (452525254).

The spelling of 330411221 in words is "three hundred thirty million, four hundred eleven thousand, two hundred twenty-one".