225396680281 has 2 divisors, whose sum is σ = 225396680282. Its totient is φ = 225396680280.

The previous prime is 225396680237. The next prime is 225396680321. The reversal of 225396680281 is 182086693522.

225396680281 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 195438263056 + 29958417225 = 442084^2 + 173085^2 .

It is a cyclic number.

It is not a de Polignac number, because 225396680281 - 2⁹ = 225396679769 is a prime.

It is a super-2 number, since 2×225396680281² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (225396680081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112698340140 + 112698340141.

It is an arithmetic number, because the mean of its divisors is an integer number (112698340141).

Almost surely, 2^225396680281 is an apocalyptic number.

It is an amenable number.

225396680281 is a deficient number, since it is larger than the sum of its proper divisors (1).

225396680281 is an equidigital number, since it uses as much as digits as its factorization.

225396680281 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2488320, while the sum is 52.

The spelling of 225396680281 in words is "two hundred twenty-five billion, three hundred ninety-six million, six hundred eighty thousand, two hundred eighty-one".