226763197 has 2 divisors, whose sum is σ = 226763198. Its totient is φ = 226763196.

The previous prime is 226763191. The next prime is 226763213. The reversal of 226763197 is 791367622.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 223472601 + 3290596 = 14949^2 + 1814^2 .

It is a cyclic number.

It is not a de Polignac number, because 226763197 - 2¹⁵ = 226730429 is a prime.

It is a congruent number.

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 (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 113381598 + 113381599.

It is an arithmetic number, because the mean of its divisors is an integer number (113381599).

Almost surely, 2^226763197 is an apocalyptic number.

It is an amenable number.

226763197 is a deficient number, since it is larger than the sum of its proper divisors (1).

226763197 is an equidigital number, since it uses as much as digits as its factorization.

226763197 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 190512, while the sum is 43.

The square root of 226763197 is about 15058.6585391927. The cubic root of 226763197 is about 609.8048260302.

The spelling of 226763197 in words is "two hundred twenty-six million, seven hundred sixty-three thousand, one hundred ninety-seven".