22443231243 has 8 divisors (see below), whose sum is σ = 31499272000. Its totient is φ = 14174672328.

The previous prime is 22443231233. The next prime is 22443231257. The reversal of 22443231243 is 34213234422.

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

It is not a de Polignac number, because 22443231243 - 2⁴ = 22443231227 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22443231243.

It is not an unprimeable number, because it can be changed into a prime (22443231233) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 196870393 + ... + 196870506.

It is an arithmetic number, because the mean of its divisors is an integer number (3937409000).

Almost surely, 2^22443231243 is an apocalyptic number.

22443231243 is a deficient number, since it is larger than the sum of its proper divisors (9056040757).

22443231243 is a wasteful number, since it uses less digits than its factorization.

22443231243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 393740921.

The product of its digits is 27648, while the sum is 30.

Adding to 22443231243 its reverse (34213234422), we get a palindrome (56656465665).

The spelling of 22443231243 in words is "twenty-two billion, four hundred forty-three million, two hundred thirty-one thousand, two hundred forty-three".