22131331333 has 4 divisors (see below), whose sum is σ = 22334371180. Its totient is φ = 21928291488.

The previous prime is 22131331319. The next prime is 22131331361. The reversal of 22131331333 is 33313313122.

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

It can be written as a sum of positive squares in 2 ways, for example, as 8564206849 + 13567124484 = 92543^2 + 116478^2 .

It is a cyclic number.

It is not a de Polignac number, because 22131331333 - 2⁹ = 22131330821 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22131331298 and 22131331307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22131331373) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 101519760 + ... + 101519977.

It is an arithmetic number, because the mean of its divisors is an integer number (5583592795).

Almost surely, 2^22131331333 is an apocalyptic number.

It is an amenable number.

22131331333 is a deficient number, since it is larger than the sum of its proper divisors (203039847).

22131331333 is a wasteful number, since it uses less digits than its factorization.

22131331333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203039846.

The product of its digits is 2916, while the sum is 25.

Adding to 22131331333 its reverse (33313313122), we get a palindrome (55444644455).

The spelling of 22131331333 in words is "twenty-two billion, one hundred thirty-one million, three hundred thirty-one thousand, three hundred thirty-three".