224725 has 12 divisors (see below), whose sum is σ = 284580. Its totient is φ = 176000.

The previous prime is 224717. The next prime is 224729. The reversal of 224725 is 527422.

It can be written as a sum of positive squares in 6 ways, for example, as 49 + 224676 = 7^2 + 474^2 .

It is not a de Polignac number, because 224725 - 2³ = 224717 is a prime.

224725 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 224696 and 224705.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (224729) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2175 + ... + 2275.

It is an arithmetic number, because the mean of its divisors is an integer number (23715).

2²²⁴⁷²⁵ is an apocalyptic number.

224725 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

224725 is a deficient number, since it is larger than the sum of its proper divisors (59855).

224725 is a wasteful number, since it uses less digits than its factorization.

224725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200 (or 195 counting only the distinct ones).

The product of its digits is 1120, while the sum is 22.

The square root of 224725 is about 474.0516849459. The cubic root of 224725 is about 60.7972305121.

It can be divided in two parts, 224 and 725, that added together give a palindrome (949).

The spelling of 224725 in words is "two hundred twenty-four thousand, seven hundred twenty-five".