333313221 has 8 divisors (see below), whose sum is σ = 444647520. Its totient is φ = 222093872.

The previous prime is 333313199. The next prime is 333313223. The reversal of 333313221 is 122313333.

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 333313221 - 2⁶ = 333313157 is a prime.

It is a super-2 number, since 2×333313221² = 222195406586789682, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (333313223) 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, 21726 + ... + 33743.

It is an arithmetic number, because the mean of its divisors is an integer number (55580940).

Almost surely, 2^333313221 is an apocalyptic number.

It is an amenable number.

333313221 is a deficient number, since it is larger than the sum of its proper divisors (111334299).

333313221 is a wasteful number, since it uses less digits than its factorization.

333313221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57475.

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

The square root of 333313221 is about 18256.8677762644. The cubic root of 333313221 is about 693.3473289571.

Adding to 333313221 its reverse (122313333), we get a palindrome (455626554).

The spelling of 333313221 in words is "three hundred thirty-three million, three hundred thirteen thousand, two hundred twenty-one".