It is a tau number, because it is divible by the number of its divisors (96).
It is a self number, because there is not a number n which added to its sum of digits gives 22530144.
It is a congruent number.
It is an unprimeable number.
Almost surely, 222530144 is an apocalyptic number.
22530144 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 22530144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36408960).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
22530144 is a wasteful number, since it uses less digits than its factorization.
22530144 is an odious number, because the sum of its binary digits is odd.
The square root of 22530144 is about 4746.5928833217. The cubic root of 22530144 is about 282.4368261380.
Adding to 22530144 its reverse (44103522), we get a palindrome (66633666).
The spelling of 22530144 in words is "twenty-two million, five hundred thirty thousand, one hundred forty-four".