242203224157 has 2 divisors, whose sum is σ = 242203224158. Its totient is φ = 242203224156.

The previous prime is 242203224097. The next prime is 242203224191. The reversal of 242203224157 is 751422302242.

It is an a-pointer prime, because the next prime (242203224191) can be obtained adding 242203224157 to its sum of digits (34).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 186122353561 + 56080870596 = 431419^2 + 236814^2 .

It is a cyclic number.

It is not a de Polignac number, because 242203224157 - 2¹⁵ = 242203191389 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (242203224257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121101612078 + 121101612079.

It is an arithmetic number, because the mean of its divisors is an integer number (121101612079).

Almost surely, 2^242203224157 is an apocalyptic number.

It is an amenable number.

242203224157 is a deficient number, since it is larger than the sum of its proper divisors (1).

242203224157 is an equidigital number, since it uses as much as digits as its factorization.

242203224157 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 53760, while the sum is 34.

Adding to 242203224157 its reverse (751422302242), we get a palindrome (993625526399).

The spelling of 242203224157 in words is "two hundred forty-two billion, two hundred three million, two hundred twenty-four thousand, one hundred fifty-seven".