226820274217 has 2 divisors, whose sum is σ = 226820274218. Its totient is φ = 226820274216.

The previous prime is 226820274157. The next prime is 226820274281. The reversal of 226820274217 is 712472028622.

226820274217 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 124622414361 + 102197859856 = 353019^2 + 319684^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-226820274217 is a prime.

It is not a weakly prime, because it can be changed into another prime (226824274217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 113410137108 + 113410137109.

It is an arithmetic number, because the mean of its divisors is an integer number (113410137109).

Almost surely, 2^226820274217 is an apocalyptic number.

It is an amenable number.

226820274217 is a deficient number, since it is larger than the sum of its proper divisors (1).

226820274217 is an equidigital number, since it uses as much as digits as its factorization.

226820274217 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 301056, while the sum is 43.

The spelling of 226820274217 in words is "two hundred twenty-six billion, eight hundred twenty million, two hundred seventy-four thousand, two hundred seventeen".