333130221 has 12 divisors (see below), whose sum is σ = 497781180. Its totient is φ = 214428480.

The previous prime is 333130201. The next prime is 333130253. The reversal of 333130221 is 122031333.

It can be written as a sum of positive squares in 2 ways, for example, as 102515625 + 230614596 = 10125^2 + 15186^2 .

It is not a de Polignac number, because 333130221 - 2¹⁰ = 333129197 is a prime.

It is a super-2 number, since 2×333130221² = 221951488287017682, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 333130194 and 333130203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (333130201) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 637920 + ... + 638441.

It is an arithmetic number, because the mean of its divisors is an integer number (41481765).

Almost surely, 2^333130221 is an apocalyptic number.

It is an amenable number.

333130221 is a deficient number, since it is larger than the sum of its proper divisors (164650959).

333130221 is a wasteful number, since it uses less digits than its factorization.

333130221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1276396 (or 1276393 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

The square root of 333130221 is about 18251.8552755603. The cubic root of 333130221 is about 693.2204155103.

Adding to 333130221 its reverse (122031333), we get a palindrome (455161554).

The spelling of 333130221 in words is "three hundred thirty-three million, one hundred thirty thousand, two hundred twenty-one".