226031917 has 2 divisors, whose sum is σ = 226031918. Its totient is φ = 226031916.

The previous prime is 226031903. The next prime is 226031929. The reversal of 226031917 is 719130622.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 129481641 + 96550276 = 11379^2 + 9826^2 .

It is a cyclic number.

It is not a de Polignac number, because 226031917 - 2¹⁹ = 225507629 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (226031987) 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, 113015958 + 113015959.

It is an arithmetic number, because the mean of its divisors is an integer number (113015959).

Almost surely, 2^226031917 is an apocalyptic number.

It is an amenable number.

226031917 is a deficient number, since it is larger than the sum of its proper divisors (1).

226031917 is an equidigital number, since it uses as much as digits as its factorization.

226031917 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4536, while the sum is 31.

The square root of 226031917 is about 15034.3578845257. The cubic root of 226031917 is about 609.1486079979.

The spelling of 226031917 in words is "two hundred twenty-six million, thirty-one thousand, nine hundred seventeen".