242202233881 has 2 divisors, whose sum is σ = 242202233882. Its totient is φ = 242202233880.

The previous prime is 242202233879. The next prime is 242202233957. The reversal of 242202233881 is 188332202242.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 203595878656 + 38606355225 = 451216^2 + 196485^2 .

It is a cyclic number.

It is not a de Polignac number, because 242202233881 - 2¹ = 242202233879 is a prime.

It is a super-2 number, since 2×242202233881² (a number of 24 digits) contains 22 as substring.

Together with 242202233879, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 242202233881.

It is not a weakly prime, because it can be changed into another prime (242202233381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121101116940 + 121101116941.

It is an arithmetic number, because the mean of its divisors is an integer number (121101116941).

Almost surely, 2^242202233881 is an apocalyptic number.

It is an amenable number.

242202233881 is a deficient number, since it is larger than the sum of its proper divisors (1).

242202233881 is an equidigital number, since it uses as much as digits as its factorization.

242202233881 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 73728, while the sum is 37.

The spelling of 242202233881 in words is "two hundred forty-two billion, two hundred two million, two hundred thirty-three thousand, eight hundred eighty-one".