22235531105243 has 4 divisors (see below), whose sum is σ = 22330962569448. Its totient is φ = 22140099641040.

The previous prime is 22235531105231. The next prime is 22235531105251. The reversal of 22235531105243 is 34250113553222.

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

It is a cyclic number.

It is not a de Polignac number, because 22235531105243 - 2¹⁰ = 22235531104219 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22235531105197 and 22235531105206.

It is not an unprimeable number, because it can be changed into a prime (22235521105243) 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, 47715731753 + ... + 47715732218.

It is an arithmetic number, because the mean of its divisors is an integer number (5582740642362).

Almost surely, 2^{22235531105243} is an apocalyptic number.

22235531105243 is a deficient number, since it is larger than the sum of its proper divisors (95431464205).

22235531105243 is an equidigital number, since it uses as much as digits as its factorization.

22235531105243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95431464204.

The product of its (nonzero) digits is 216000, while the sum is 38.

Adding to 22235531105243 its reverse (34250113553222), we get a palindrome (56485644658465).

The spelling of 22235531105243 in words is "twenty-two trillion, two hundred thirty-five billion, five hundred thirty-one million, one hundred five thousand, two hundred forty-three".