225180847 has 2 divisors, whose sum is σ = 225180848. Its totient is φ = 225180846.

The previous prime is 225180841. The next prime is 225180859. The reversal of 225180847 is 748081522.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-225180847 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (225180841) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112590423 + 112590424.

It is an arithmetic number, because the mean of its divisors is an integer number (112590424).

Almost surely, 2^225180847 is an apocalyptic number.

225180847 is a deficient number, since it is larger than the sum of its proper divisors (1).

225180847 is an equidigital number, since it uses as much as digits as its factorization.

225180847 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 35840, while the sum is 37.

The square root of 225180847 is about 15006.0270225000. The cubic root of 225180847 is about 608.3831111745.

The spelling of 225180847 in words is "two hundred twenty-five million, one hundred eighty thousand, eight hundred forty-seven".