224130444 has 24 divisors (see below), whose sum is σ = 541005360. Its totient is φ = 72133824.

The previous prime is 224130443. The next prime is 224130539. The reversal of 224130444 is 444031422.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (224130443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 321679 + ... + 322374.

It is an arithmetic number, because the mean of its divisors is an integer number (22541890).

Almost surely, 2^224130444 is an apocalyptic number.

It is an amenable number.

224130444 is an abundant number, since it is smaller than the sum of its proper divisors (316874916).

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

224130444 is a wasteful number, since it uses less digits than its factorization.

224130444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 644089 (or 644087 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 24.

The square root of 224130444 is about 14970.9867410268. The cubic root of 224130444 is about 607.4356598357.

Adding to 224130444 its reverse (444031422), we get a palindrome (668161866).

The spelling of 224130444 in words is "two hundred twenty-four million, one hundred thirty thousand, four hundred forty-four".