226995173 has 2 divisors, whose sum is σ = 226995174. Its totient is φ = 226995172.

The previous prime is 226995161. The next prime is 226995193. The reversal of 226995173 is 371599622.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 220760164 + 6235009 = 14858^2 + 2497^2 .

It is a cyclic number.

It is not a de Polignac number, because 226995173 - 2²⁰ = 225946597 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (226995103) 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, 113497586 + 113497587.

It is an arithmetic number, because the mean of its divisors is an integer number (113497587).

Almost surely, 2^226995173 is an apocalyptic number.

It is an amenable number.

226995173 is a deficient number, since it is larger than the sum of its proper divisors (1).

226995173 is an equidigital number, since it uses as much as digits as its factorization.

226995173 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 204120, while the sum is 44.

The square root of 226995173 is about 15066.3589828465. The cubic root of 226995173 is about 610.0126961435.

It can be divided in two parts, 22699 and 5173, that added together give a palindrome (27872).

The spelling of 226995173 in words is "two hundred twenty-six million, nine hundred ninety-five thousand, one hundred seventy-three".