225236442302281 has 2 divisors, whose sum is σ = 225236442302282. Its totient is φ = 225236442302280.

The previous prime is 225236442302257. The next prime is 225236442302303. The reversal of 225236442302281 is 182203244632522.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 144277117194681 + 80959325107600 = 12011541^2 + 8997740^2 .

It is a cyclic number.

It is not a de Polignac number, because 225236442302281 - 2¹⁵ = 225236442269513 is a prime.

It is a super-2 number, since 2×225236442302281² (a number of 30 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (225236442312281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112618221151140 + 112618221151141.

It is an arithmetic number, because the mean of its divisors is an integer number (112618221151141).

Almost surely, 2^{225236442302281} is an apocalyptic number.

It is an amenable number.

225236442302281 is a deficient number, since it is larger than the sum of its proper divisors (1).

225236442302281 is an equidigital number, since it uses as much as digits as its factorization.

225236442302281 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2211840, while the sum is 46.

The spelling of 225236442302281 in words is "two hundred twenty-five trillion, two hundred thirty-six billion, four hundred forty-two million, three hundred two thousand, two hundred eighty-one".