225329047 has 2 divisors, whose sum is σ = 225329048. Its totient is φ = 225329046.

The previous prime is 225329009. The next prime is 225329057. The reversal of 225329047 is 740923522.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 225329047 - 2¹¹ = 225326999 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (225329057) 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, 112664523 + 112664524.

It is an arithmetic number, because the mean of its divisors is an integer number (112664524).

Almost surely, 2^225329047 is an apocalyptic number.

225329047 is a deficient number, since it is larger than the sum of its proper divisors (1).

225329047 is an equidigital number, since it uses as much as digits as its factorization.

225329047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 30240, while the sum is 34.

The square root of 225329047 is about 15010.9642261915. The cubic root of 225329047 is about 608.5165485217.

The spelling of 225329047 in words is "two hundred twenty-five million, three hundred twenty-nine thousand, forty-seven".