242224202422261 has 2 divisors, whose sum is σ = 242224202422262. Its totient is φ = 242224202422260.

The previous prime is 242224202422201. The next prime is 242224202422283. The reversal of 242224202422261 is 162224202422242.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 216740787850161 + 25483414572100 = 14722119^2 + 5048110^2 .

It is a cyclic number.

It is not a de Polignac number, because 242224202422261 - 2⁴⁵ = 207039830333429 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 242224202422261.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (242224202422201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121112101211130 + 121112101211131.

It is an arithmetic number, because the mean of its divisors is an integer number (121112101211131).

Almost surely, 2^{242224202422261} is an apocalyptic number.

It is an amenable number.

242224202422261 is a deficient number, since it is larger than the sum of its proper divisors (1).

242224202422261 is an equidigital number, since it uses as much as digits as its factorization.

242224202422261 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 196608, while the sum is 37.

The spelling of 242224202422261 in words is "two hundred forty-two trillion, two hundred twenty-four billion, two hundred two million, four hundred twenty-two thousand, two hundred sixty-one".