330356221 has 8 divisors (see below), whose sum is σ = 356106240. Its totient is φ = 304654512.

The previous prime is 330356207. The next prime is 330356251. The reversal of 330356221 is 122653033.

It is a happy number.

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 330356221 - 2²⁵ = 296801789 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (330356251) 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, 2820 + ... + 25858.

It is an arithmetic number, because the mean of its divisors is an integer number (44513280).

Almost surely, 2^330356221 is an apocalyptic number.

It is an amenable number.

330356221 is a deficient number, since it is larger than the sum of its proper divisors (25750019).

330356221 is a wasteful number, since it uses less digits than its factorization.

330356221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24155.

The product of its (nonzero) digits is 3240, while the sum is 25.

The square root of 330356221 is about 18175.7041404178. The cubic root of 330356221 is about 691.2908838758.

The spelling of 330356221 in words is "three hundred thirty million, three hundred fifty-six thousand, two hundred twenty-one".