22492928 has 36 divisors (see below), whose sum is σ = 46014528. Its totient is φ = 10967040.

The previous prime is 22492927. The next prime is 22492933. The reversal of 22492928 is 82929422.

It is a junction number, because it is equal to n+sod(n) for n = 22492891 and 22492900.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22492927) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9425 + ... + 11567.

Almost surely, 2^22492928 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 22492928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23007264).

22492928 is an abundant number, since it is smaller than the sum of its proper divisors (23521600).

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

22492928 is an equidigital number, since it uses as much as digits as its factorization.

22492928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2200 (or 2186 counting only the distinct ones).

The product of its digits is 41472, while the sum is 38.

The square root of 22492928 is about 4742.6709774135. The cubic root of 22492928 is about 282.2812277569.

The spelling of 22492928 in words is "twenty-two million, four hundred ninety-two thousand, nine hundred twenty-eight".