224487 has 6 divisors (see below), whose sum is σ = 324272. Its totient is φ = 149652.

The previous prime is 224473. The next prime is 224491. The reversal of 224487 is 784422.

224487 is nontrivially palindromic in base 4.

It is not a de Polignac number, because 224487 - 2⁶ = 224423 is a prime.

It is a Duffinian number.

It is a plaindrome in base 15.

It is a self number, because there is not a number n which added to its sum of digits gives 224487.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (224467) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 12463 + ... + 12480.

2²²⁴⁴⁸⁷ is an apocalyptic number.

224487 is a deficient number, since it is larger than the sum of its proper divisors (99785).

224487 is a wasteful number, since it uses less digits than its factorization.

224487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24949 (or 24946 counting only the distinct ones).

The product of its digits is 3584, while the sum is 27.

The square root of 224487 is about 473.8005909663. The cubic root of 224487 is about 60.7757600452.

The spelling of 224487 in words is "two hundred twenty-four thousand, four hundred eighty-seven".