225542443455289 has 2 divisors, whose sum is σ = 225542443455290. Its totient is φ = 225542443455288.

The previous prime is 225542443455229. The next prime is 225542443455367. The reversal of 225542443455289 is 982554344245522.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 116183973803689 + 109358469651600 = 10778867^2 + 10457460^2 .

It is a cyclic number.

It is not a de Polignac number, because 225542443455289 - 2¹⁵ = 225542443422521 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 225542443455289.

It is not a weakly prime, because it can be changed into another prime (225542443455229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112771221727644 + 112771221727645.

It is an arithmetic number, because the mean of its divisors is an integer number (112771221727645).

Almost surely, 2^{225542443455289} is an apocalyptic number.

It is an amenable number.

225542443455289 is a deficient number, since it is larger than the sum of its proper divisors (1).

225542443455289 is an equidigital number, since it uses as much as digits as its factorization.

225542443455289 is an evil number, because the sum of its binary digits is even.

The product of its digits is 552960000, while the sum is 64.

The spelling of 225542443455289 in words is "two hundred twenty-five trillion, five hundred forty-two billion, four hundred forty-three million, four hundred fifty-five thousand, two hundred eighty-nine".