242223440155 has 8 divisors (see below), whose sum is σ = 293490149472. Its totient is φ = 191897404608.

The previous prime is 242223440149. The next prime is 242223440167. The reversal of 242223440155 is 551044322242.

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

It is a cyclic number.

It is not a de Polignac number, because 242223440155 - 2⁷ = 242223440027 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 242223440155.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 235167874 + ... + 235168903.

It is an arithmetic number, because the mean of its divisors is an integer number (36686268684).

Almost surely, 2^242223440155 is an apocalyptic number.

242223440155 is a deficient number, since it is larger than the sum of its proper divisors (51266709317).

242223440155 is a wasteful number, since it uses less digits than its factorization.

242223440155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 470336885.

The product of its (nonzero) digits is 76800, while the sum is 34.

Adding to 242223440155 its reverse (551044322242), we get a palindrome (793267762397).

The spelling of 242223440155 in words is "two hundred forty-two billion, two hundred twenty-three million, four hundred forty thousand, one hundred fifty-five".