3331133221 has 8 divisors (see below), whose sum is σ = 3798396504. Its totient is φ = 2894016000.

The previous prime is 3331133209. The next prime is 3331133293. The reversal of 3331133221 is 1223311333.

It can be written as a sum of positive squares in 4 ways, for example, as 344510721 + 2986622500 = 18561^2 + 54650^2 .

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 3331133221 - 2¹¹ = 3331131173 is a prime.

It is a super-2 number, since 2×3331133221² = 22192897072099669682, 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 = 3331133192 and 3331133201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3331133321) 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, 7536280 + ... + 7536721.

It is an arithmetic number, because the mean of its divisors is an integer number (474799563).

Almost surely, 2^3331133221 is an apocalyptic number.

It is an amenable number.

3331133221 is a deficient number, since it is larger than the sum of its proper divisors (467263283).

3331133221 is a wasteful number, since it uses less digits than its factorization.

3331133221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15073031.

The product of its digits is 972, while the sum is 22.

The square root of 3331133221 is about 57715.9702422129. The cubic root of 3331133221 is about 1493.4728567234.

Adding to 3331133221 its reverse (1223311333), we get a palindrome (4554444554).

The spelling of 3331133221 in words is "three billion, three hundred thirty-one million, one hundred thirty-three thousand, two hundred twenty-one".