224324340 has 72 divisors (see below), whose sum is σ = 645779232. Its totient is φ = 58181760.

The previous prime is 224324297. The next prime is 224324357. The reversal of 224324340 is 43423422.

It is a self number, because there is not a number n which added to its sum of digits gives 224324340.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 80775 + ... + 83505.

It is an arithmetic number, because the mean of its divisors is an integer number (8969156).

Almost surely, 2^224324340 is an apocalyptic number.

224324340 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 224324340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (322889616).

224324340 is an abundant number, since it is smaller than the sum of its proper divisors (421454892).

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

224324340 is a wasteful number, since it uses less digits than its factorization.

224324340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2817 (or 2778 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 24.

The square root of 224324340 is about 14977.4610665493. The cubic root of 224324340 is about 607.6107742247.

Adding to 224324340 its reverse (43423422), we get a palindrome (267747762).

The spelling of 224324340 in words is "two hundred twenty-four million, three hundred twenty-four thousand, three hundred forty".