22531342211 has 4 divisors (see below), whose sum is σ = 25750105392. Its totient is φ = 19312579032.

The previous prime is 22531342189. The next prime is 22531342213. The reversal of 22531342211 is 11224313522.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22531342211 is a prime.

It is a super-2 number, since 2×22531342211² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22531342213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1609381580 + ... + 1609381593.

It is an arithmetic number, because the mean of its divisors is an integer number (6437526348).

Almost surely, 2^22531342211 is an apocalyptic number.

22531342211 is a deficient number, since it is larger than the sum of its proper divisors (3218763181).

22531342211 is an equidigital number, since it uses as much as digits as its factorization.

22531342211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3218763180.

The product of its digits is 2880, while the sum is 26.

Adding to 22531342211 its reverse (11224313522), we get a palindrome (33755655733).

The spelling of 22531342211 in words is "twenty-two billion, five hundred thirty-one million, three hundred forty-two thousand, two hundred eleven".