22431201243 has 8 divisors (see below), whose sum is σ = 32627201856. Its totient is φ = 13594667400.

The previous prime is 22431201227. The next prime is 22431201277. The reversal of 22431201243 is 34210213422.

It is a happy number.

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

It is not a de Polignac number, because 22431201243 - 2⁴ = 22431201227 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22431201343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 339866653 + ... + 339866718.

It is an arithmetic number, because the mean of its divisors is an integer number (4078400232).

Almost surely, 2^22431201243 is an apocalyptic number.

22431201243 is a deficient number, since it is larger than the sum of its proper divisors (10196000613).

22431201243 is a wasteful number, since it uses less digits than its factorization.

22431201243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 679733385.

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 22431201243 its reverse (34210213422), we get a palindrome (56641414665).

The spelling of 22431201243 in words is "twenty-two billion, four hundred thirty-one million, two hundred one thousand, two hundred forty-three".