225371476066447 has 2 divisors, whose sum is σ = 225371476066448. Its totient is φ = 225371476066446.

The previous prime is 225371476066427. The next prime is 225371476066489. The reversal of 225371476066447 is 744660674173522.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-225371476066447 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (225371476066417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112685738033223 + 112685738033224.

It is an arithmetic number, because the mean of its divisors is an integer number (112685738033224).

Almost surely, 2^{225371476066447} is an apocalyptic number.

225371476066447 is a deficient number, since it is larger than the sum of its proper divisors (1).

225371476066447 is an equidigital number, since it uses as much as digits as its factorization.

225371476066447 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 284497920, while the sum is 64.

The spelling of 225371476066447 in words is "two hundred twenty-five trillion, three hundred seventy-one billion, four hundred seventy-six million, sixty-six thousand, four hundred forty-seven".