224618 has 16 divisors (see below), whose sum is σ = 371520. Its totient is φ = 101376.

The previous prime is 224617. The next prime is 224629. The reversal of 224618 is 816422.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a nialpdrome in base 8.

It is a junction number, because it is equal to n+sod(n) for n = 224593 and 224602.

It is not an unprimeable number, because it can be changed into a prime (224611) 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 in 7 ways as a sum of consecutive naturals, for example, 746 + ... + 1002.

It is an arithmetic number, because the mean of its divisors is an integer number (23220).

2²²⁴⁶¹⁸ is an apocalyptic number.

224618 is a deficient number, since it is larger than the sum of its proper divisors (146902).

224618 is a wasteful number, since it uses less digits than its factorization.

224618 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 301.

The product of its digits is 768, while the sum is 23.

The square root of 224618 is about 473.9388146164. The cubic root of 224618 is about 60.7875796998.

The spelling of 224618 in words is "two hundred twenty-four thousand, six hundred eighteen".