22134424 has 64 divisors (see below), whose sum is σ = 47628000. Its totient is φ = 9569280.

The previous prime is 22134419. The next prime is 22134439. The reversal of 22134424 is 42443122.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 22134395 and 22134404.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 123567 + ... + 123745.

Almost surely, 2^22134424 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22134424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23814000).

22134424 is an abundant number, since it is smaller than the sum of its proper divisors (25493576).

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

22134424 is a wasteful number, since it uses less digits than its factorization.

22134424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 268 (or 264 counting only the distinct ones).

The product of its digits is 1536, while the sum is 22.

The square root of 22134424 is about 4704.7235838038. The cubic root of 22134424 is about 280.7734736294.

Adding to 22134424 its reverse (42443122), we get a palindrome (64577546).

The spelling of 22134424 in words is "twenty-two million, one hundred thirty-four thousand, four hundred twenty-four".