225116747 has 2 divisors, whose sum is σ = 225116748. Its totient is φ = 225116746.

The previous prime is 225116713. The next prime is 225116777. The reversal of 225116747 is 747611522.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 225116747 - 2¹⁴ = 225100363 is a prime.

It is not a weakly prime, because it can be changed into another prime (225116777) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112558373 + 112558374.

It is an arithmetic number, because the mean of its divisors is an integer number (112558374).

Almost surely, 2^225116747 is an apocalyptic number.

225116747 is a deficient number, since it is larger than the sum of its proper divisors (1).

225116747 is an equidigital number, since it uses as much as digits as its factorization.

225116747 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 23520, while the sum is 35.

The square root of 225116747 is about 15003.8910619879. The cubic root of 225116747 is about 608.3253782325.

The spelling of 225116747 in words is "two hundred twenty-five million, one hundred sixteen thousand, seven hundred forty-seven".