224004 has 24 divisors (see below), whose sum is σ = 570528. Its totient is φ = 67840.

The previous prime is 223999. The next prime is 224011. The reversal of 224004 is 400422.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a nialpdrome in base 12.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 717 + ... + 980.

It is an arithmetic number, because the mean of its divisors is an integer number (23772).

2²²⁴⁰⁰⁴ is an apocalyptic number.

It is an amenable number.

224004 is an abundant number, since it is smaller than the sum of its proper divisors (346524).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

224004 is a wasteful number, since it uses less digits than its factorization.

224004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1715 (or 1713 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 12.

The square root of 224004 is about 473.2906084004. The cubic root of 224004 is about 60.7321409340.

Adding to 224004 its reverse (400422), we get a palindrome (624426).

It can be divided in two parts, 22 and 4004, that multiplied together give a palindrome (88088).

The spelling of 224004 in words is "two hundred twenty-four thousand, four", and thus it is an iban number.