225777041647 has 2 divisors, whose sum is σ = 225777041648. Its totient is φ = 225777041646.

The previous prime is 225777041603. The next prime is 225777041663. The reversal of 225777041647 is 746140777522.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 225777041647 - 2⁷ = 225777041519 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 225777041594 and 225777041603.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (225777041447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112888520823 + 112888520824.

It is an arithmetic number, because the mean of its divisors is an integer number (112888520824).

Almost surely, 2^225777041647 is an apocalyptic number.

225777041647 is a deficient number, since it is larger than the sum of its proper divisors (1).

225777041647 is an equidigital number, since it uses as much as digits as its factorization.

225777041647 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4609920, while the sum is 52.

The spelling of 225777041647 in words is "two hundred twenty-five billion, seven hundred seventy-seven million, forty-one thousand, six hundred forty-seven".