2133323242 has 4 divisors (see below), whose sum is σ = 3199984866. Its totient is φ = 1066661620.

The previous prime is 2133323237. The next prime is 2133323243. The reversal of 2133323242 is 2423233312.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1718019601 + 415303641 = 41449^2 + 20379^2 .

It is not an unprimeable number, because it can be changed into a prime (2133323243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 533330809 + ... + 533330812.

Almost surely, 2^2133323242 is an apocalyptic number.

2133323242 is a deficient number, since it is larger than the sum of its proper divisors (1066661624).

2133323242 is a wasteful number, since it uses less digits than its factorization.

2133323242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1066661623.

The product of its digits is 5184, while the sum is 25.

The square root of 2133323242 is about 46187.9122931531. The cubic root of 2133323242 is about 1287.3171496636.

Adding to 2133323242 its reverse (2423233312), we get a palindrome (4556556554).

The spelling of 2133323242 in words is "two billion, one hundred thirty-three million, three hundred twenty-three thousand, two hundred forty-two".