224220243 has 24 divisors (see below), whose sum is σ = 324762048. Its totient is φ = 137540832.

The previous prime is 224220239. The next prime is 224220247. The reversal of 224220243 is 342022422.

It is an interprime number because it is at equal distance from previous prime (224220239) and next prime (224220247).

It is not a de Polignac number, because 224220243 - 2² = 224220239 is a prime.

It is not an unprimeable number, because it can be changed into a prime (224220247) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 236296 + ... + 237242.

It is an arithmetic number, because the mean of its divisors is an integer number (13531752).

Almost surely, 2^224220243 is an apocalyptic number.

224220243 is a deficient number, since it is larger than the sum of its proper divisors (100541805).

224220243 is a wasteful number, since it uses less digits than its factorization.

224220243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1443 (or 1430 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 21.

The square root of 224220243 is about 14973.9855415985. The cubic root of 224220243 is about 607.5167730640.

Adding to 224220243 its reverse (342022422), we get a palindrome (566242665).

The spelling of 224220243 in words is "two hundred twenty-four million, two hundred twenty thousand, two hundred forty-three".