22220140543 has 4 divisors (see below), whose sum is σ = 22820684920. Its totient is φ = 21619596168.

The previous prime is 22220140529. The next prime is 22220140549. The reversal of 22220140543 is 34504102222.

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 22220140543 - 2⁹ = 22220140031 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 (22220140549) 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, 300272133 + ... + 300272206.

It is an arithmetic number, because the mean of its divisors is an integer number (5705171230).

Almost surely, 2^22220140543 is an apocalyptic number.

22220140543 is a deficient number, since it is larger than the sum of its proper divisors (600544377).

22220140543 is an equidigital number, since it uses as much as digits as its factorization.

22220140543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 600544376.

The product of its (nonzero) digits is 3840, while the sum is 25.

Adding to 22220140543 its reverse (34504102222), we get a palindrome (56724242765).

The spelling of 22220140543 in words is "twenty-two billion, two hundred twenty million, one hundred forty thousand, five hundred forty-three".