225768847 has 2 divisors, whose sum is σ = 225768848. Its totient is φ = 225768846.

The previous prime is 225768841. The next prime is 225768863. The reversal of 225768847 is 748867522.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 225768847 - 2³ = 225768839 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 225768847.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (225768841) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112884423 + 112884424.

It is an arithmetic number, because the mean of its divisors is an integer number (112884424).

Almost surely, 2^225768847 is an apocalyptic number.

225768847 is a deficient number, since it is larger than the sum of its proper divisors (1).

225768847 is an equidigital number, since it uses as much as digits as its factorization.

225768847 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1505280, while the sum is 49.

The square root of 225768847 is about 15025.6063771150. The cubic root of 225768847 is about 608.9121945807.

The spelling of 225768847 in words is "two hundred twenty-five million, seven hundred sixty-eight thousand, eight hundred forty-seven".