224040 has 32 divisors (see below), whose sum is σ = 672480. Its totient is φ = 59712.

The previous prime is 224033. The next prime is 224041. The reversal of 224040 is 40422.

224040 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

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

It is a super Niven number, because it is divisible the sum of any subset of its (nonzero) digits.

It is not an unprimeable number, because it can be changed into a prime (224041) by changing a digit.

224040 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 814 + ... + 1053.

It is an arithmetic number, because the mean of its divisors is an integer number (21015).

2²²⁴⁰⁴⁰ is an apocalyptic number.

224040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

224040 is an abundant number, since it is smaller than the sum of its proper divisors (448440).

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

224040 is a wasteful number, since it uses less digits than its factorization.

224040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1881 (or 1877 counting only the distinct ones).

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

The square root of 224040 is about 473.3286384744. The cubic root of 224040 is about 60.7353942092.

Adding to 224040 its reverse (40422), we get a palindrome (264462).

It can be divided in two parts, 2 and 24040, that added together give a palindrome (24042).

The spelling of 224040 in words is "two hundred twenty-four thousand, forty", and thus it is an iban number.