224549 has 8 divisors (see below), whose sum is σ = 252672. Its totient is φ = 198000.

The previous prime is 224527. The next prime is 224563. The reversal of 224549 is 945422.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 224549 - 2¹⁶ = 159013 is a prime.

It is an Ulam number.

It is a Duffinian 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 (224569) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77 + ... + 674.

It is an arithmetic number, because the mean of its divisors is an integer number (31584).

2²²⁴⁵⁴⁹ is an apocalyptic number.

It is an amenable number.

224549 is a deficient number, since it is larger than the sum of its proper divisors (28123).

224549 is a wasteful number, since it uses less digits than its factorization.

224549 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 787.

The product of its digits is 2880, while the sum is 26.

The square root of 224549 is about 473.8660148185. The cubic root of 224549 is about 60.7813546532.

The spelling of 224549 in words is "two hundred twenty-four thousand, five hundred forty-nine".