229044161 has 2 divisors, whose sum is σ = 229044162. Its totient is φ = 229044160.

The previous prime is 229044149. The next prime is 229044169. The reversal of 229044161 is 161440922.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 181171600 + 47872561 = 13460^2 + 6919^2 .

It is a cyclic number.

It is not a de Polignac number, because 229044161 - 2¹⁰ = 229043137 is a prime.

It is a super-2 number, since 2×229044161² = 104922455376387842, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (229044169) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114522080 + 114522081.

It is an arithmetic number, because the mean of its divisors is an integer number (114522081).

Almost surely, 2^229044161 is an apocalyptic number.

It is an amenable number.

229044161 is a deficient number, since it is larger than the sum of its proper divisors (1).

229044161 is an equidigital number, since it uses as much as digits as its factorization.

229044161 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 229044161 is about 15134.2050005939. The cubic root of 229044161 is about 611.8426420231.

The spelling of 229044161 in words is "two hundred twenty-nine million, forty-four thousand, one hundred sixty-one".