2133022221 has 32 divisors (see below), whose sum is σ = 3505766400. Its totient is φ = 1270819440.

The previous prime is 2133022219. The next prime is 2133022237. The reversal of 2133022221 is 1222203312.

It is not a de Polignac number, because 2133022221 - 2¹ = 2133022219 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2133022194 and 2133022203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2133022261) 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 31 ways as a sum of consecutive naturals, for example, 43341 + ... + 78386.

It is an arithmetic number, because the mean of its divisors is an integer number (109555200).

Almost surely, 2^2133022221 is an apocalyptic number.

It is an amenable number.

2133022221 is a deficient number, since it is larger than the sum of its proper divisors (1372744179).

2133022221 is a wasteful number, since it uses less digits than its factorization.

2133022221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121806 (or 121800 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 2133022221 is about 46184.6535225718. The cubic root of 2133022221 is about 1287.2565981704.

Adding to 2133022221 its reverse (1222203312), we get a palindrome (3355225533).

The spelling of 2133022221 in words is "two billion, one hundred thirty-three million, twenty-two thousand, two hundred twenty-one".