227708161 has 2 divisors, whose sum is σ = 227708162. Its totient is φ = 227708160.

The previous prime is 227708083. The next prime is 227708167. The reversal of 227708161 is 161807722.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 196000000 + 31708161 = 14000^2 + 5631^2 .

It is a cyclic number.

It is not a de Polignac number, because 227708161 - 2¹⁷ = 227577089 is a prime.

It is not a weakly prime, because it can be changed into another prime (227708167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 113854080 + 113854081.

It is an arithmetic number, because the mean of its divisors is an integer number (113854081).

Almost surely, 2^227708161 is an apocalyptic number.

It is an amenable number.

227708161 is a deficient number, since it is larger than the sum of its proper divisors (1).

227708161 is an equidigital number, since it uses as much as digits as its factorization.

227708161 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9408, while the sum is 34.

The square root of 227708161 is about 15090.0020212060. The cubic root of 227708161 is about 610.6507084683.

The spelling of 227708161 in words is "two hundred twenty-seven million, seven hundred eight thousand, one hundred sixty-one".