22663224 has 48 divisors (see below), whose sum is σ = 62548200. Its totient is φ = 7410624.

The previous prime is 22663213. The next prime is 22663229. The reversal of 22663224 is 42236622.

22663224 is a `hidden beast` number, since 2 + 2 + 6 + 632 + 24 = 666.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22663229) 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 11 ways as a sum of consecutive naturals, for example, 847 + ... + 6785.

Almost surely, 2^22663224 is an apocalyptic number.

22663224 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 22663224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31274100).

22663224 is an abundant number, since it is smaller than the sum of its proper divisors (39884976).

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

22663224 is a wasteful number, since it uses less digits than its factorization.

22663224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6004 (or 5997 counting only the distinct ones).

The product of its digits is 6912, while the sum is 27.

The square root of 22663224 is about 4760.5907196481. The cubic root of 22663224 is about 282.9918296867.

Adding to 22663224 its reverse (42236622), we get a palindrome (64899846).

The spelling of 22663224 in words is "twenty-two million, six hundred sixty-three thousand, two hundred twenty-four".