226468493 has 2 divisors, whose sum is σ = 226468494. Its totient is φ = 226468492.

The previous prime is 226468481. The next prime is 226468531. The reversal of 226468493 is 394864622.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 217208644 + 9259849 = 14738^2 + 3043^2 .

It is a cyclic number.

It is not a de Polignac number, because 226468493 - 2²⁰ = 225419917 is a prime.

It is a super-3 number, since 3×226468493³ (a number of 26 digits) contains 333 as substring.

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 (226468433) 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, 113234246 + 113234247.

It is an arithmetic number, because the mean of its divisors is an integer number (113234247).

Almost surely, 2^226468493 is an apocalyptic number.

It is an amenable number.

226468493 is a deficient number, since it is larger than the sum of its proper divisors (1).

226468493 is an equidigital number, since it uses as much as digits as its factorization.

226468493 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 497664, while the sum is 44.

The square root of 226468493 is about 15048.8701569254. The cubic root of 226468493 is about 609.5405417724.

The spelling of 226468493 in words is "two hundred twenty-six million, four hundred sixty-eight thousand, four hundred ninety-three".