225775416457 has 2 divisors, whose sum is σ = 225775416458. Its totient is φ = 225775416456.

The previous prime is 225775416437. The next prime is 225775416469. The reversal of 225775416457 is 754614577522.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 148449154681 + 77326261776 = 385291^2 + 278076^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-225775416457 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 225775416398 and 225775416407.

It is not a weakly prime, because it can be changed into another prime (225775416437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112887708228 + 112887708229.

It is an arithmetic number, because the mean of its divisors is an integer number (112887708229).

Almost surely, 2^225775416457 is an apocalyptic number.

It is an amenable number.

225775416457 is a deficient number, since it is larger than the sum of its proper divisors (1).

225775416457 is an equidigital number, since it uses as much as digits as its factorization.

225775416457 is an evil number, because the sum of its binary digits is even.

The product of its digits is 16464000, while the sum is 55.

The spelling of 225775416457 in words is "two hundred twenty-five billion, seven hundred seventy-five million, four hundred sixteen thousand, four hundred fifty-seven".