226763161 has 2 divisors, whose sum is σ = 226763162. Its totient is φ = 226763160.

The previous prime is 226763149. The next prime is 226763183. The reversal of 226763161 is 161367622.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 160503561 + 66259600 = 12669^2 + 8140^2 .

It is a cyclic number.

It is not a de Polignac number, because 226763161 - 2¹⁵ = 226730393 is a prime.

It is not a weakly prime, because it can be changed into another prime (226763191) 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, 113381580 + 113381581.

It is an arithmetic number, because the mean of its divisors is an integer number (113381581).

Almost surely, 2^226763161 is an apocalyptic number.

It is an amenable number.

226763161 is a deficient number, since it is larger than the sum of its proper divisors (1).

226763161 is an equidigital number, since it uses as much as digits as its factorization.

226763161 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 18144, while the sum is 34.

The square root of 226763161 is about 15058.6573438670. The cubic root of 226763161 is about 609.8047937601.

The spelling of 226763161 in words is "two hundred twenty-six million, seven hundred sixty-three thousand, one hundred sixty-one".