224244460 has 72 divisors (see below), whose sum is σ = 544970160. Its totient is φ = 77235840.

The previous prime is 224244439. The next prime is 224244469. The reversal of 224244460 is 64442422.

It is not an unprimeable number, because it can be changed into a prime (224244469) 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 23 ways as a sum of consecutive naturals, for example, 43542 + ... + 48418.

It is an arithmetic number, because the mean of its divisors is an integer number (7569030).

Almost surely, 2^224244460 is an apocalyptic number.

224244460 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 224244460, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (272485080).

224244460 is an abundant number, since it is smaller than the sum of its proper divisors (320725700).

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

224244460 is a wasteful number, since it uses less digits than its factorization.

224244460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4927 (or 4914 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 28.

The square root of 224244460 is about 14974.7941555135. The cubic root of 224244460 is about 607.5386439766.

Adding to 224244460 its reverse (64442422), we get a palindrome (288686882).

The spelling of 224244460 in words is "two hundred twenty-four million, two hundred forty-four thousand, four hundred sixty".