242420223 has 8 divisors (see below), whose sum is σ = 323315200. Its totient is φ = 161569368.

The previous prime is 242420209. The next prime is 242420231. The reversal of 242420223 is 322024242.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 242420223 - 2¹⁶ = 242354687 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 242420223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242420623) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5208 + ... + 22626.

It is an arithmetic number, because the mean of its divisors is an integer number (40414400).

Almost surely, 2^242420223 is an apocalyptic number.

242420223 is a deficient number, since it is larger than the sum of its proper divisors (80894977).

242420223 is a wasteful number, since it uses less digits than its factorization.

242420223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22061.

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

The square root of 242420223 is about 15569.8498065974. The cubic root of 242420223 is about 623.5284616657.

Adding to 242420223 its reverse (322024242), we get a palindrome (564444465).

The spelling of 242420223 in words is "two hundred forty-two million, four hundred twenty thousand, two hundred twenty-three".