224530144 has 24 divisors (see below), whose sum is σ = 465310440. Its totient is φ = 106356096.

The previous prime is 224530127. The next prime is 224530157. The reversal of 224530144 is 441035422.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 184039 + ... + 185254.

It is an arithmetic number, because the mean of its divisors is an integer number (19387935).

Almost surely, 2^224530144 is an apocalyptic number.

It is an amenable number.

224530144 is an abundant number, since it is smaller than the sum of its proper divisors (240780296).

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

224530144 is a wasteful number, since it uses less digits than its factorization.

224530144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 369322 (or 369314 counting only the distinct ones).

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

The square root of 224530144 is about 14984.3299483160. The cubic root of 224530144 is about 607.7965327945.

Adding to 224530144 its reverse (441035422), we get a palindrome (665565566).

The spelling of 224530144 in words is "two hundred twenty-four million, five hundred thirty thousand, one hundred forty-four".