225462647 has 2 divisors, whose sum is σ = 225462648. Its totient is φ = 225462646.

The previous prime is 225462641. The next prime is 225462661. The reversal of 225462647 is 746264522.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 225462647 - 2¹⁰ = 225461623 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 225462647.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (225462641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112731323 + 112731324.

It is an arithmetic number, because the mean of its divisors is an integer number (112731324).

Almost surely, 2^225462647 is an apocalyptic number.

225462647 is a deficient number, since it is larger than the sum of its proper divisors (1).

225462647 is an equidigital number, since it uses as much as digits as its factorization.

225462647 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 161280, while the sum is 38.

The square root of 225462647 is about 15015.4136473159. The cubic root of 225462647 is about 608.6367900822.

The spelling of 225462647 in words is "two hundred twenty-five million, four hundred sixty-two thousand, six hundred forty-seven".