242211223 has 4 divisors (see below), whose sum is σ = 256458960. Its totient is φ = 227963488.

The previous prime is 242211209. The next prime is 242211241. The reversal of 242211223 is 322112242.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 322112242 = 2 ⋅161056121.

It is a cyclic number.

It is not a de Polignac number, because 242211223 - 2⁵ = 242211191 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 242211223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242211323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7123843 + ... + 7123876.

It is an arithmetic number, because the mean of its divisors is an integer number (64114740).

Almost surely, 2^242211223 is an apocalyptic number.

242211223 is a deficient number, since it is larger than the sum of its proper divisors (14247737).

242211223 is a wasteful number, since it uses less digits than its factorization.

242211223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14247736.

The product of its digits is 384, while the sum is 19.

The square root of 242211223 is about 15563.1366697077. The cubic root of 242211223 is about 623.3492206829.

Adding to 242211223 its reverse (322112242), we get a palindrome (564323465).

The spelling of 242211223 in words is "two hundred forty-two million, two hundred eleven thousand, two hundred twenty-three".