22127924 has 96 divisors (see below), whose sum is σ = 51480576. Its totient is φ = 8087040.

The previous prime is 22127881. The next prime is 22127927. The reversal of 22127924 is 42972122.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22127927) 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 31 ways as a sum of consecutive naturals, for example, 417482 + ... + 417534.

It is an arithmetic number, because the mean of its divisors is an integer number (536256).

Almost surely, 2^22127924 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 22127924, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25740288).

22127924 is an abundant number, since it is smaller than the sum of its proper divisors (29352652).

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

22127924 is a wasteful number, since it uses less digits than its factorization.

22127924 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145 (or 143 counting only the distinct ones).

The product of its digits is 4032, while the sum is 29.

The square root of 22127924 is about 4704.0327379813. The cubic root of 22127924 is about 280.7459869379.

The spelling of 22127924 in words is "twenty-two million, one hundred twenty-seven thousand, nine hundred twenty-four".