242202233557 has 2 divisors, whose sum is σ = 242202233558. Its totient is φ = 242202233556.

The previous prime is 242202233551. The next prime is 242202233593. The reversal of 242202233557 is 755332202242.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 177983578161 + 64218655396 = 421881^2 + 253414^2 .

It is a cyclic number.

It is not a de Polignac number, because 242202233557 - 2²⁷ = 242068015829 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (242202233551) 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 as a sum of consecutive naturals, namely, 121101116778 + 121101116779.

It is an arithmetic number, because the mean of its divisors is an integer number (121101116779).

Almost surely, 2^242202233557 is an apocalyptic number.

It is an amenable number.

242202233557 is a deficient number, since it is larger than the sum of its proper divisors (1).

242202233557 is an equidigital number, since it uses as much as digits as its factorization.

242202233557 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 201600, while the sum is 37.

Adding to 242202233557 its reverse (755332202242), we get a palindrome (997534435799).

The spelling of 242202233557 in words is "two hundred forty-two billion, two hundred two million, two hundred thirty-three thousand, five hundred fifty-seven".