242422042081 has 2 divisors, whose sum is σ = 242422042082. Its totient is φ = 242422042080.

The previous prime is 242422042033. The next prime is 242422042099. The reversal of 242422042081 is 180240224242.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 180659851681 + 61762190400 = 425041^2 + 248520^2 .

It is a cyclic number.

It is not a de Polignac number, because 242422042081 - 2²¹ = 242419944929 is a prime.

It is a super-2 number, since 2×242422042081² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (242422042781) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121211021040 + 121211021041.

It is an arithmetic number, because the mean of its divisors is an integer number (121211021041).

Almost surely, 2^242422042081 is an apocalyptic number.

It is an amenable number.

242422042081 is a deficient number, since it is larger than the sum of its proper divisors (1).

242422042081 is an equidigital number, since it uses as much as digits as its factorization.

242422042081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16384, while the sum is 31.

The spelling of 242422042081 in words is "two hundred forty-two billion, four hundred twenty-two million, forty-two thousand, eighty-one".