331334221 has 8 divisors (see below), whose sum is σ = 339284000. Its totient is φ = 323395632.

The previous prime is 331334203. The next prime is 331334261. The reversal of 331334221 is 122433133.

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 331334221 - 2⁵ = 331334189 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 331334192 and 331334201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (331334261) 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 7 ways as a sum of consecutive naturals, for example, 116806 + ... + 119608.

It is an arithmetic number, because the mean of its divisors is an integer number (42410500).

Almost surely, 2^331334221 is an apocalyptic number.

It is an amenable number.

331334221 is a deficient number, since it is larger than the sum of its proper divisors (7949779).

331334221 is a wasteful number, since it uses less digits than its factorization.

331334221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5595.

The product of its digits is 1296, while the sum is 22.

The square root of 331334221 is about 18202.5883049637. The cubic root of 331334221 is about 691.9723870223.

Adding to 331334221 its reverse (122433133), we get a palindrome (453767354).

The spelling of 331334221 in words is "three hundred thirty-one million, three hundred thirty-four thousand, two hundred twenty-one".