224273712 has 80 divisors (see below), whose sum is σ = 629959680. Its totient is φ = 68342016.

The previous prime is 224273711. The next prime is 224273717. The reversal of 224273712 is 217372422.

It is a self number, because there is not a number n which added to its sum of digits gives 224273712.

It is not an unprimeable number, because it can be changed into a prime (224273711) by changing a digit.

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, 65089 + ... + 68447.

It is an arithmetic number, because the mean of its divisors is an integer number (7874496).

Almost surely, 2^224273712 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 224273712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (314979840).

224273712 is an abundant number, since it is smaller than the sum of its proper divisors (405685968).

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

224273712 is a wasteful number, since it uses less digits than its factorization.

224273712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3490 (or 3484 counting only the distinct ones).

The product of its digits is 9408, while the sum is 30.

The square root of 224273712 is about 14975.7708315799. The cubic root of 224273712 is about 607.5650600104.

The spelling of 224273712 in words is "two hundred twenty-four million, two hundred seventy-three thousand, seven hundred twelve".