226325521493 has 2 divisors, whose sum is σ = 226325521494. Its totient is φ = 226325521492.

The previous prime is 226325521363. The next prime is 226325521517. The reversal of 226325521493 is 394125523622.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 114540279844 + 111785241649 = 338438^2 + 334343^2 .

It is a cyclic number.

It is not a de Polignac number, because 226325521493 - 2¹⁰ = 226325520469 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (226325521993) 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, 113162760746 + 113162760747.

It is an arithmetic number, because the mean of its divisors is an integer number (113162760747).

Almost surely, 2^226325521493 is an apocalyptic number.

It is an amenable number.

226325521493 is a deficient number, since it is larger than the sum of its proper divisors (1).

226325521493 is an equidigital number, since it uses as much as digits as its factorization.

226325521493 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 777600, while the sum is 44.

The spelling of 226325521493 in words is "two hundred twenty-six billion, three hundred twenty-five million, five hundred twenty-one thousand, four hundred ninety-three".