2133221344 has 24 divisors (see below), whose sum is σ = 4203252648. Its totient is φ = 1065728640.

The previous prime is 2133221339. The next prime is 2133221393. The reversal of 2133221344 is 4431223312.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12639 + ... + 66529.

It is an arithmetic number, because the mean of its divisors is an integer number (175135527).

Almost surely, 2^2133221344 is an apocalyptic number.

It is an amenable number.

2133221344 is a deficient number, since it is larger than the sum of its proper divisors (2070031304).

2133221344 is a wasteful number, since it uses less digits than its factorization.

2133221344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55138 (or 55130 counting only the distinct ones).

The product of its digits is 3456, while the sum is 25.

The square root of 2133221344 is about 46186.8091991642. The cubic root of 2133221344 is about 1287.2966531399.

Adding to 2133221344 its reverse (4431223312), we get a palindrome (6564444656).

The spelling of 2133221344 in words is "two billion, one hundred thirty-three million, two hundred twenty-one thousand, three hundred forty-four".