225255782473 has 2 divisors, whose sum is σ = 225255782474. Its totient is φ = 225255782472.

The previous prime is 225255782471. The next prime is 225255782489. The reversal of 225255782473 is 374287552522.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 116030159424 + 109225623049 = 340632^2 + 330493^2 .

It is a cyclic number.

It is not a de Polignac number, because 225255782473 - 2¹ = 225255782471 is a prime.

Together with 225255782471, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 225255782473.

It is not a weakly prime, because it can be changed into another prime (225255782471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112627891236 + 112627891237.

It is an arithmetic number, because the mean of its divisors is an integer number (112627891237).

Almost surely, 2^225255782473 is an apocalyptic number.

It is an amenable number.

225255782473 is a deficient number, since it is larger than the sum of its proper divisors (1).

225255782473 is an equidigital number, since it uses as much as digits as its factorization.

225255782473 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9408000, while the sum is 52.

The spelling of 225255782473 in words is "two hundred twenty-five billion, two hundred fifty-five million, seven hundred eighty-two thousand, four hundred seventy-three".