224453 has 4 divisors (see below), whose sum is σ = 225420. Its totient is φ = 223488.

The previous prime is 224449. The next prime is 224461. The reversal of 224453 is 354422.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 354422 = 2 ⋅177211.

It can be written as a sum of positive squares in 2 ways, for example, as 158404 + 66049 = 398^2 + 257^2 .

It is a cyclic number.

It is not a de Polignac number, because 224453 - 2² = 224449 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a plaindrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (224423) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 101 + ... + 677.

It is an arithmetic number, because the mean of its divisors is an integer number (56355).

2²²⁴⁴⁵³ is an apocalyptic number.

It is an amenable number.

224453 is a deficient number, since it is larger than the sum of its proper divisors (967).

224453 is an equidigital number, since it uses as much as digits as its factorization.

224453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 966.

The product of its digits is 960, while the sum is 20.

The square root of 224453 is about 473.7647095342. The cubic root of 224453 is about 60.7726915970.

Adding to 224453 its reverse (354422), we get a palindrome (578875).

The spelling of 224453 in words is "two hundred twenty-four thousand, four hundred fifty-three".