224231312 has 80 divisors (see below), whose sum is σ = 473035200. Its totient is φ = 102643200.

The previous prime is 224231299. The next prime is 224231321. The reversal of 224231312 is 213132422.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 2057114 + ... + 2057222.

It is an arithmetic number, because the mean of its divisors is an integer number (5912940).

Almost surely, 2^224231312 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 224231312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (236517600).

224231312 is an abundant number, since it is smaller than the sum of its proper divisors (248803888).

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

224231312 is a wasteful number, since it uses less digits than its factorization.

224231312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 304 (or 298 counting only the distinct ones).

The product of its digits is 576, while the sum is 20.

The square root of 224231312 is about 14974.3551447132. The cubic root of 224231312 is about 607.5267699201.

Adding to 224231312 its reverse (213132422), we get a palindrome (437363734).

The spelling of 224231312 in words is "two hundred twenty-four million, two hundred thirty-one thousand, three hundred twelve".