22652224 has 56 divisors (see below), whose sum is σ = 52303680. Its totient is φ = 9532416.

The previous prime is 22652209. The next prime is 22652233. The reversal of 22652224 is 42225622.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (56).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26004 + ... + 26860.

Almost surely, 2^22652224 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 22652224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26151840).

22652224 is an abundant number, since it is smaller than the sum of its proper divisors (29651456).

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

22652224 is an equidigital number, since it uses as much as digits as its factorization.

22652224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 935 (or 925 counting only the distinct ones).

The product of its digits is 3840, while the sum is 25.

The square root of 22652224 is about 4759.4352606165. The cubic root of 22652224 is about 282.9460372331.

Adding to 22652224 its reverse (42225622), we get a palindrome (64877846).

It can be divided in two parts, 2265 and 2224, that added together give a square (4489 = 67²).

The spelling of 22652224 in words is "twenty-two million, six hundred fifty-two thousand, two hundred twenty-four".