242223223 has 4 divisors (see below), whose sum is σ = 264243528. Its totient is φ = 220202920.

The previous prime is 242223221. The next prime is 242223251. The reversal of 242223223 is 322322242.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 242223223 - 2¹ = 242223221 is a prime.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 242223194 and 242223203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242223221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11010136 + ... + 11010157.

It is an arithmetic number, because the mean of its divisors is an integer number (66060882).

Almost surely, 2^242223223 is an apocalyptic number.

242223223 is a deficient number, since it is larger than the sum of its proper divisors (22020305).

242223223 is a wasteful number, since it uses less digits than its factorization.

242223223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22020304.

The product of its digits is 2304, while the sum is 22.

The square root of 242223223 is about 15563.5221913293. The cubic root of 242223223 is about 623.3595148207.

Adding to 242223223 its reverse (322322242), we get a palindrome (564545465).

The spelling of 242223223 in words is "two hundred forty-two million, two hundred twenty-three thousand, two hundred twenty-three".