2312221133 has 8 divisors (see below), whose sum is σ = 2331711360. Its totient is φ = 2292759040.

The previous prime is 2312221103. The next prime is 2312221159. The reversal of 2312221133 is 3311222132.

2312221133 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 2312221133 - 2¹⁶ = 2312155597 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2312221103) 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, 178316 + ... + 190842.

It is an arithmetic number, because the mean of its divisors is an integer number (291463920).

Almost surely, 2^2312221133 is an apocalyptic number.

It is an amenable number.

2312221133 is a deficient number, since it is larger than the sum of its proper divisors (19490227).

2312221133 is a wasteful number, since it uses less digits than its factorization.

2312221133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14067.

The product of its digits is 432, while the sum is 20.

The square root of 2312221133 is about 48085.5605457605. The cubic root of 2312221133 is about 1322.3399597409.

Adding to 2312221133 its reverse (3311222132), we get a palindrome (5623443265).

Subtracting 2312221133 from its reverse (3311222132), we obtain a palindrome (999000999).

The spelling of 2312221133 in words is "two billion, three hundred twelve million, two hundred twenty-one thousand, one hundred thirty-three".