225219938371177 has 2 divisors, whose sum is σ = 225219938371178. Its totient is φ = 225219938371176.

The previous prime is 225219938371159. The next prime is 225219938371261. The reversal of 225219938371177 is 771173839912522.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 145624652790016 + 79595285581161 = 12067504^2 + 8921619^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-225219938371177 is a prime.

It is not a weakly prime, because it can be changed into another prime (225219938371277) 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, 112609969185588 + 112609969185589.

It is an arithmetic number, because the mean of its divisors is an integer number (112609969185589).

Almost surely, 2^{225219938371177} is an apocalyptic number.

It is an amenable number.

225219938371177 is a deficient number, since it is larger than the sum of its proper divisors (1).

225219938371177 is an equidigital number, since it uses as much as digits as its factorization.

225219938371177 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 80015040, while the sum is 67.

The spelling of 225219938371177 in words is "two hundred twenty-five trillion, two hundred nineteen billion, nine hundred thirty-eight million, three hundred seventy-one thousand, one hundred seventy-seven".