22240043243 has 8 divisors (see below), whose sum is σ = 24270782016. Its totient is φ = 20210790600.

The previous prime is 22240043207. The next prime is 22240043279. The reversal of 22240043243 is 34234004222.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (22240043207) and next prime (22240043279).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 22240043243 - 2⁸ = 22240042987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22240043743) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 340121 + ... + 400202.

It is an arithmetic number, because the mean of its divisors is an integer number (3033847752).

Almost surely, 2^22240043243 is an apocalyptic number.

22240043243 is a deficient number, since it is larger than the sum of its proper divisors (2030738773).

22240043243 is a wasteful number, since it uses less digits than its factorization.

22240043243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 743065.

The product of its (nonzero) digits is 9216, while the sum is 26.

Adding to 22240043243 its reverse (34234004222), we get a palindrome (56474047465).

The spelling of 22240043243 in words is "twenty-two billion, two hundred forty million, forty-three thousand, two hundred forty-three".