224887 has 4 divisors (see below), whose sum is σ = 242200. Its totient is φ = 207576.

The previous prime is 224881. The next prime is 224891. The reversal of 224887 is 788422.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 788422 = 2 ⋅394211.

It is a cyclic number.

It is not a de Polignac number, because 224887 - 2⁷ = 224759 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (224881) 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 3 ways as a sum of consecutive naturals, for example, 8637 + ... + 8662.

It is an arithmetic number, because the mean of its divisors is an integer number (60550).

2²²⁴⁸⁸⁷ is an apocalyptic number.

224887 is a deficient number, since it is larger than the sum of its proper divisors (17313).

224887 is a wasteful number, since it uses less digits than its factorization.

224887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17312.

The product of its digits is 7168, while the sum is 31.

The square root of 224887 is about 474.2225216077. Note that the first 3 decimals coincide. The cubic root of 224887 is about 60.8118361940.

It can be divided in two parts, 224 and 887, that added together give a palindrome (1111).

The spelling of 224887 in words is "two hundred twenty-four thousand, eight hundred eighty-seven".