224020243 has 4 divisors (see below), whose sum is σ = 227692768. Its totient is φ = 220347720.

The previous prime is 224020217. The next prime is 224020249. The reversal of 224020243 is 342020422.

224020243 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 342020422 = 2 ⋅171010211.

It is a cyclic number.

It is not a de Polignac number, because 224020243 - 2⁵ = 224020211 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 224020243.

It is not an unprimeable number, because it can be changed into a prime (224020249) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1836171 + ... + 1836292.

It is an arithmetic number, because the mean of its divisors is an integer number (56923192).

Almost surely, 2^224020243 is an apocalyptic number.

224020243 is a deficient number, since it is larger than the sum of its proper divisors (3672525).

224020243 is an equidigital number, since it uses as much as digits as its factorization.

224020243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3672524.

The product of its (nonzero) digits is 768, while the sum is 19.

The square root of 224020243 is about 14967.3058029827. The cubic root of 224020243 is about 607.3360883689.

Adding to 224020243 its reverse (342020422), we get a palindrome (566040665).

The spelling of 224020243 in words is "two hundred twenty-four million, twenty thousand, two hundred forty-three".