224731232 has 48 divisors (see below), whose sum is σ = 485678592. Its totient is φ = 101512320.

The previous prime is 224731223. The next prime is 224731277. The reversal of 224731232 is 232137422.

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 7 ways as a sum of consecutive naturals, for example, 56873 + ... + 60695.

It is an arithmetic number, because the mean of its divisors is an integer number (10118304).

Almost surely, 2^224731232 is an apocalyptic number.

224731232 is a gapful number since it is divisible by the number (22) 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 224731232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (242839296).

224731232 is an abundant number, since it is smaller than the sum of its proper divisors (260947360).

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

224731232 is a wasteful number, since it uses less digits than its factorization.

224731232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4011 (or 4003 counting only the distinct ones).

The product of its digits is 4032, while the sum is 26.

The square root of 224731232 is about 14991.0383896513. The cubic root of 224731232 is about 607.9779250988.

Adding to 224731232 its reverse (232137422), we get a palindrome (456868654).

The spelling of 224731232 in words is "two hundred twenty-four million, seven hundred thirty-one thousand, two hundred thirty-two".