22001323311 has 48 divisors (see below), whose sum is σ = 34840915200. Its totient is φ = 13268136960.

The previous prime is 22001323297. The next prime is 22001323319. The reversal of 22001323311 is 11332310022.

22001323311 is a `hidden beast` number, since 2 + 200 + 132 + 331 + 1 = 666.

It is not a de Polignac number, because 22001323311 - 2¹⁸ = 22001061167 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22001323319) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 34216356 + ... + 34216998.

It is an arithmetic number, because the mean of its divisors is an integer number (725852400).

Almost surely, 2^22001323311 is an apocalyptic number.

22001323311 is a deficient number, since it is larger than the sum of its proper divisors (12839591889).

22001323311 is a wasteful number, since it uses less digits than its factorization.

22001323311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1836 (or 1833 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 22001323311 its reverse (11332310022), we get a palindrome (33333633333).

The spelling of 22001323311 in words is "twenty-two billion, one million, three hundred twenty-three thousand, three hundred eleven".