21823422458 has 8 divisors (see below), whose sum is σ = 34458035520. Its totient is φ = 10337410620.

The previous prime is 21823422457. The next prime is 21823422469. The reversal of 21823422458 is 85422432812.

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

It is not an unprimeable number, because it can be changed into a prime (21823422457) 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, 287150258 + ... + 287150333.

It is an arithmetic number, because the mean of its divisors is an integer number (4307254440).

Almost surely, 2^21823422458 is an apocalyptic number.

21823422458 is a deficient number, since it is larger than the sum of its proper divisors (12634613062).

21823422458 is a wasteful number, since it uses less digits than its factorization.

21823422458 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 574300612.

The product of its digits is 245760, while the sum is 41.

The spelling of 21823422458 in words is "twenty-one billion, eight hundred twenty-three million, four hundred twenty-two thousand, four hundred fifty-eight".