224447 has 4 divisors (see below), whose sum is σ = 236280. Its totient is φ = 212616.

The previous prime is 224443. The next prime is 224449. The reversal of 224447 is 744422.

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

It is a cyclic number.

It is not a de Polignac number, because 224447 - 2² = 224443 is a prime.

It is a Duffinian number.

It is a plaindrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (224443) 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, 5888 + ... + 5925.

It is an arithmetic number, because the mean of its divisors is an integer number (59070).

2²²⁴⁴⁴⁷ is an apocalyptic number.

224447 is a deficient number, since it is larger than the sum of its proper divisors (11833).

224447 is a wasteful number, since it uses less digits than its factorization.

224447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11832.

The product of its digits is 1792, while the sum is 23.

The square root of 224447 is about 473.7583772346. The cubic root of 224447 is about 60.7721500740.

Adding to 224447 its reverse (744422), we get a palindrome (968869).

It can be divided in two parts, 224 and 447, that multiplied together give a triangular number (100128 = T₄₄₇).

The spelling of 224447 in words is "two hundred twenty-four thousand, four hundred forty-seven", and thus it is an iban number.