224438 has 8 divisors (see below), whose sum is σ = 338688. Its totient is φ = 111544.

The previous prime is 224429. The next prime is 224443. The reversal of 224438 is 834422.

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

It is a plaindrome in base 15.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 224438.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 395 + ... + 777.

It is an arithmetic number, because the mean of its divisors is an integer number (42336).

2²²⁴⁴³⁸ is an apocalyptic number.

224438 is a deficient number, since it is larger than the sum of its proper divisors (114250).

224438 is a wasteful number, since it uses less digits than its factorization.

224438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 678.

The product of its digits is 1536, while the sum is 23.

The square root of 224438 is about 473.7488786266. The cubic root of 224438 is about 60.7713377714.

The spelling of 224438 in words is "two hundred twenty-four thousand, four hundred thirty-eight".