22123042424 has 32 divisors (see below), whose sum is σ = 47875903200. Its totient is φ = 9387427200.

The previous prime is 22123042423. The next prime is 22123042451. The reversal of 22123042424 is 42424032122.

It is a junction number, because it is equal to n+sod(n) for n = 22123042393 and 22123042402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22123042423) 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, 1950059 + ... + 1961370.

It is an arithmetic number, because the mean of its divisors is an integer number (1496121975).

Almost surely, 2^22123042424 is an apocalyptic number.

It is an amenable number.

22123042424 is an abundant number, since it is smaller than the sum of its proper divisors (25752860776).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22123042424 is a wasteful number, since it uses less digits than its factorization.

22123042424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3911543 (or 3911539 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 26.

Adding to 22123042424 its reverse (42424032122), we get a palindrome (64547074546).

The spelling of 22123042424 in words is "twenty-two billion, one hundred twenty-three million, forty-two thousand, four hundred twenty-four".