22424023231 has 4 divisors (see below), whose sum is σ = 23604235000. Its totient is φ = 21243811464.

The previous prime is 22424023229. The next prime is 22424023253. The reversal of 22424023231 is 13232042422.

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 22424023231 - 2¹ = 22424023229 is a prime.

It is a super-2 number, since 2×22424023231² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22424023196 and 22424023205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22424023331) 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 3 ways as a sum of consecutive naturals, for example, 590105856 + ... + 590105893.

It is an arithmetic number, because the mean of its divisors is an integer number (5901058750).

Almost surely, 2^22424023231 is an apocalyptic number.

22424023231 is a deficient number, since it is larger than the sum of its proper divisors (1180211769).

22424023231 is a wasteful number, since it uses less digits than its factorization.

22424023231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1180211768.

The product of its (nonzero) digits is 4608, while the sum is 25.

Adding to 22424023231 its reverse (13232042422), we get a palindrome (35656065653).

The spelling of 22424023231 in words is "twenty-two billion, four hundred twenty-four million, twenty-three thousand, two hundred thirty-one".