224044240 has 80 divisors (see below), whose sum is σ = 605496960. Its totient is φ = 75502080.

The previous prime is 224044201. The next prime is 224044283. The reversal of 224044240 is 42440422.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29650 + ... + 36430.

It is an arithmetic number, because the mean of its divisors is an integer number (7568712).

Almost surely, 2^224044240 is an apocalyptic number.

224044240 is a gapful number since it is divisible by the number (20) 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 224044240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (302748480).

224044240 is an abundant number, since it is smaller than the sum of its proper divisors (381452720).

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

224044240 is a wasteful number, since it uses less digits than its factorization.

224044240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6860 (or 6854 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 22.

The square root of 224044240 is about 14968.1074287967. The cubic root of 224044240 is about 607.3577734981.

Adding to 224044240 its reverse (42440422), we get a palindrome (266484662).

The spelling of 224044240 in words is "two hundred twenty-four million, forty-four thousand, two hundred forty".