333133221 has 8 divisors (see below), whose sum is σ = 444327264. Its totient is φ = 222014000.

The previous prime is 333133217. The next prime is 333133243. The reversal of 333133221 is 122331333.

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 333133221 - 2² = 333133217 is a prime.

It is a super-2 number, since 2×333133221² = 221955485867669682, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (333133271) 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, 7326 + ... + 26831.

It is an arithmetic number, because the mean of its divisors is an integer number (55540908).

Almost surely, 2^333133221 is an apocalyptic number.

It is an amenable number.

333133221 is a deficient number, since it is larger than the sum of its proper divisors (111194043).

333133221 is a wasteful number, since it uses less digits than its factorization.

333133221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37411.

The product of its digits is 972, while the sum is 21.

The square root of 333133221 is about 18251.9374588015. The cubic root of 333133221 is about 693.2224964333. Note that the first 3 decimals are identical.

Adding to 333133221 its reverse (122331333), we get a palindrome (455464554).

The spelling of 333133221 in words is "three hundred thirty-three million, one hundred thirty-three thousand, two hundred twenty-one".