242244223 has 4 divisors (see below), whose sum is σ = 260878408. Its totient is φ = 223610040.

The previous prime is 242244209. The next prime is 242244227. The reversal of 242244223 is 322442242.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-242244223 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242244227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9317073 + ... + 9317098.

It is an arithmetic number, because the mean of its divisors is an integer number (65219602).

Almost surely, 2^242244223 is an apocalyptic number.

242244223 is a deficient number, since it is larger than the sum of its proper divisors (18634185).

242244223 is a wasteful number, since it uses less digits than its factorization.

242244223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18634184.

The product of its digits is 6144, while the sum is 25.

The square root of 242244223 is about 15564.1968311892. The cubic root of 242244223 is about 623.3775287438.

Adding to 242244223 its reverse (322442242), we get a palindrome (564686465).

The spelling of 242244223 in words is "two hundred forty-two million, two hundred forty-four thousand, two hundred twenty-three".