224543040 has 112 divisors (see below), whose sum is σ = 718108800. Its totient is φ = 59443200.

The previous prime is 224543029. The next prime is 224543051. The reversal of 224543040 is 40345422.

It is an interprime number because it is at equal distance from previous prime (224543029) and next prime (224543051).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 224543040.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 144186 + ... + 145734.

Almost surely, 2^224543040 is an apocalyptic number.

224543040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 224543040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (359054400).

224543040 is an abundant number, since it is smaller than the sum of its proper divisors (493565760).

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

224543040 is a wasteful number, since it uses less digits than its factorization.

224543040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1720 (or 1710 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 24.

The square root of 224543040 is about 14984.7602583425. The cubic root of 224543040 is about 607.8081689367.

Adding to 224543040 its reverse (40345422), we get a palindrome (264888462).

The spelling of 224543040 in words is "two hundred twenty-four million, five hundred forty-three thousand, forty".