224678 has 4 divisors (see below), whose sum is σ = 337020. Its totient is φ = 112338.

The previous prime is 224677. The next prime is 224683. The reversal of 224678 is 876422.

224678 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 876422 = 2 ⋅438211.

It is an Ulam number.

It is a plaindrome in base 10 and base 15.

It is a self number, because there is not a number n which added to its sum of digits gives 224678.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (224677) by changing a digit.

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 as a sum of consecutive naturals, namely, 56168 + ... + 56171.

It is an arithmetic number, because the mean of its divisors is an integer number (84255).

2²²⁴⁶⁷⁸ is an apocalyptic number.

224678 is a deficient number, since it is larger than the sum of its proper divisors (112342).

224678 is a wasteful number, since it uses less digits than its factorization.

224678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112341.

The product of its digits is 5376, while the sum is 29.

The square root of 224678 is about 474.0021096999. The cubic root of 224678 is about 60.7929917476.

The spelling of 224678 in words is "two hundred twenty-four thousand, six hundred seventy-eight".