225730646651 has 2 divisors, whose sum is σ = 225730646652. Its totient is φ = 225730646650.

The previous prime is 225730646639. The next prime is 225730646719. The reversal of 225730646651 is 156646037522.

225730646651 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 225730646651 - 2⁶ = 225730646587 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 225730646596 and 225730646605.

It is not a weakly prime, because it can be changed into another prime (225730646621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112865323325 + 112865323326.

It is an arithmetic number, because the mean of its divisors is an integer number (112865323326).

Almost surely, 2^225730646651 is an apocalyptic number.

225730646651 is a deficient number, since it is larger than the sum of its proper divisors (1).

225730646651 is an equidigital number, since it uses as much as digits as its factorization.

225730646651 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1814400, while the sum is 47.

The spelling of 225730646651 in words is "two hundred twenty-five billion, seven hundred thirty million, six hundred forty-six thousand, six hundred fifty-one".