224536 has 32 divisors (see below), whose sum is σ = 483840. Its totient is φ = 96768.

The previous prime is 224527. The next prime is 224563. The reversal of 224536 is 635422.

It is a happy number.

224536 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a d-powerful number, because it can be written as 2⁵ + 2⁹ + 5³ + 4³ + 3¹¹ + 6⁶ .

It is a nialpdrome in base 8.

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, 1705 + ... + 1831.

It is an arithmetic number, because the mean of its divisors is an integer number (15120).

2²²⁴⁵³⁶ is an apocalyptic number.

224536 is a gapful number since it is divisible by the number (26) 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 224536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (241920).

224536 is an abundant number, since it is smaller than the sum of its proper divisors (259304).

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

224536 is a wasteful number, since it uses less digits than its factorization.

224536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163 (or 159 counting only the distinct ones).

The product of its digits is 1440, while the sum is 22.

The square root of 224536 is about 473.8522976625. The cubic root of 224536 is about 60.7801816755.

Adding to 224536 its reverse (635422), we get a palindrome (859958).

The spelling of 224536 in words is "two hundred twenty-four thousand, five hundred thirty-six".