224324240 has 40 divisors (see below), whose sum is σ = 596063040. Its totient is φ = 76910976.

The previous prime is 224324227. The next prime is 224324257. The reversal of 224324240 is 42423422.

It is a tau number, because it is divible by the number of its divisors (40).

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, 199730 + ... + 200849.

It is an arithmetic number, because the mean of its divisors is an integer number (14901576).

Almost surely, 2^224324240 is an apocalyptic number.

224324240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

224324240 is an abundant number, since it is smaller than the sum of its proper divisors (371738800).

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

224324240 is a wasteful number, since it uses less digits than its factorization.

224324240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 400599 (or 400593 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 23.

The square root of 224324240 is about 14977.4577281994. The cubic root of 224324240 is about 607.6106839371.

Adding to 224324240 its reverse (42423422), we get a palindrome (266747662).

The spelling of 224324240 in words is "two hundred twenty-four million, three hundred twenty-four thousand, two hundred forty".