330134221 has 4 divisors (see below), whose sum is σ = 340783744. Its totient is φ = 319484700.

The previous prime is 330134183. The next prime is 330134227. The reversal of 330134221 is 122431033.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 122431033 = 5431 ⋅22543.

It is a cyclic number.

It is not a de Polignac number, because 330134221 - 2²⁷ = 195916493 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (330134227) 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, 5324715 + ... + 5324776.

It is an arithmetic number, because the mean of its divisors is an integer number (85195936).

Almost surely, 2^330134221 is an apocalyptic number.

330134221 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

It is an amenable number.

330134221 is a deficient number, since it is larger than the sum of its proper divisors (10649523).

330134221 is a wasteful number, since it uses less digits than its factorization.

330134221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10649522.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 330134221 is about 18169.5960604522. The cubic root of 330134221 is about 691.1359995864.

Adding to 330134221 its reverse (122431033), we get a palindrome (452565254).

The spelling of 330134221 in words is "three hundred thirty million, one hundred thirty-four thousand, two hundred twenty-one".