333033221 has 6 divisors (see below), whose sum is σ = 338586066. Its totient is φ = 327570000.

The previous prime is 333033161. The next prime is 333033251. The reversal of 333033221 is 122330333.

It can be written as a sum of positive squares in 3 ways, for example, as 7230721 + 325802500 = 2689^2 + 18050^2 .

It is not a de Polignac number, because 333033221 - 2¹⁰ = 333032197 is a prime.

It is a super-2 number, since 2×333033221² = 221822252579269682, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 333033193 and 333033202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (333033251) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 41030 + ... + 48471.

It is an arithmetic number, because the mean of its divisors is an integer number (56431011).

Almost surely, 2^333033221 is an apocalyptic number.

It is an amenable number.

333033221 is a deficient number, since it is larger than the sum of its proper divisors (5552845).

333033221 is an frugal number, since it uses more digits than its factorization.

333033221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89623 (or 89562 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 20.

The square root of 333033221 is about 18249.1978179864. The cubic root of 333033221 is about 693.1531256002.

Adding to 333033221 its reverse (122330333), we get a palindrome (455363554).

The spelling of 333033221 in words is "three hundred thirty-three million, thirty-three thousand, two hundred twenty-one".