22522312343143 has 4 divisors (see below), whose sum is σ = 23501543314608. Its totient is φ = 21543081371680.

The previous prime is 22522312343137. The next prime is 22522312343159. The reversal of 22522312343143 is 34134321322522.

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-22522312343143 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 (22522312343243) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 489615485698 + ... + 489615485743.

It is an arithmetic number, because the mean of its divisors is an integer number (5875385828652).

Almost surely, 2^{22522312343143} is an apocalyptic number.

22522312343143 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

22522312343143 is a deficient number, since it is larger than the sum of its proper divisors (979230971465).

22522312343143 is an equidigital number, since it uses as much as digits as its factorization.

22522312343143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 979230971464.

The product of its digits is 207360, while the sum is 37.

Adding to 22522312343143 its reverse (34134321322522), we get a palindrome (56656633665665).

The spelling of 22522312343143 in words is "twenty-two trillion, five hundred twenty-two billion, three hundred twelve million, three hundred forty-three thousand, one hundred forty-three".