22027824 has 180 divisors, whose sum is σ = 77769328. Its totient is φ = 5667840.

The previous prime is 22027799. The next prime is 22027829. The reversal of 22027824 is 42872022.

It is not an unprimeable number, because it can be changed into a prime (22027829) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 537244 + ... + 537284.

Almost surely, 2^22027824 is an apocalyptic number.

22027824 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22027824, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38884664).

22027824 is an abundant number, since it is smaller than the sum of its proper divisors (55741504).

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

22027824 is a wasteful number, since it uses less digits than its factorization.

22027824 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116 (or 66 counting only the distinct ones).

The product of its (nonzero) digits is 3584, while the sum is 27.

The square root of 22027824 is about 4693.3808709714. The cubic root of 22027824 is about 280.3220104863.

Adding to 22027824 its reverse (42872022), we get a palindrome (64899846).

The spelling of 22027824 in words is "twenty-two million, twenty-seven thousand, eight hundred twenty-four".