225180047 has 2 divisors, whose sum is σ = 225180048. Its totient is φ = 225180046.

The previous prime is 225180019. The next prime is 225180071. The reversal of 225180047 is 740081522.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 225180047 - 2¹⁶ = 225114511 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (225180847) 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, 112590023 + 112590024.

It is an arithmetic number, because the mean of its divisors is an integer number (112590024).

Almost surely, 2^225180047 is an apocalyptic number.

225180047 is a deficient number, since it is larger than the sum of its proper divisors (1).

225180047 is an equidigital number, since it uses as much as digits as its factorization.

225180047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4480, while the sum is 29.

The square root of 225180047 is about 15006.0003665201. Note that the first 3 decimals coincide. The cubic root of 225180047 is about 608.3823907061.

The spelling of 225180047 in words is "two hundred twenty-five million, one hundred eighty thousand, forty-seven".