330512221 has 8 divisors (see below), whose sum is σ = 360442880. Its totient is φ = 301225392.

The previous prime is 330512207. The next prime is 330512243. The reversal of 330512221 is 122215033.

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

It is not a de Polignac number, because 330512221 - 2¹⁵ = 330479453 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 (330512251) 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, 159885 + ... + 161938.

It is an arithmetic number, because the mean of its divisors is an integer number (45055360).

Almost surely, 2^330512221 is an apocalyptic number.

It is an amenable number.

330512221 is a deficient number, since it is larger than the sum of its proper divisors (29930659).

330512221 is a wasteful number, since it uses less digits than its factorization.

330512221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 321915.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 330512221 is about 18179.9950770070. The cubic root of 330512221 is about 691.3996799780.

Adding to 330512221 its reverse (122215033), we get a palindrome (452727254).

The spelling of 330512221 in words is "three hundred thirty million, five hundred twelve thousand, two hundred twenty-one".