224522 has 4 divisors (see below), whose sum is σ = 336786. Its totient is φ = 112260.

The previous prime is 224513. The next prime is 224527. The reversal of 224522 is 225422.

224522 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 116281 + 108241 = 341^2 + 329^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 224522.

It is not an unprimeable number, because it can be changed into a prime (224527) by changing a digit.

224522 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56129 + ... + 56132.

2²²⁴⁵²² is an apocalyptic number.

224522 is a deficient number, since it is larger than the sum of its proper divisors (112264).

224522 is a wasteful number, since it uses less digits than its factorization.

224522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112263.

The product of its digits is 320, while the sum is 17.

The square root of 224522 is about 473.8375248965. The cubic root of 224522 is about 60.7789184182.

Adding to 224522 its reverse (225422), we get a palindrome (449944).

Subtracting 224522 from its reverse (225422), we obtain a square (900 = 30²).

The spelling of 224522 in words is "two hundred twenty-four thousand, five hundred twenty-two".