226568561357 has 2 divisors, whose sum is σ = 226568561358. Its totient is φ = 226568561356.

The previous prime is 226568561269. The next prime is 226568561407. The reversal of 226568561357 is 753165865622.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 187026841156 + 39541720201 = 432466^2 + 198851^2 .

It is a cyclic number.

It is not a de Polignac number, because 226568561357 - 2²⁸ = 226300125901 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (226568561057) 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, 113284280678 + 113284280679.

It is an arithmetic number, because the mean of its divisors is an integer number (113284280679).

Almost surely, 2^226568561357 is an apocalyptic number.

It is an amenable number.

226568561357 is a deficient number, since it is larger than the sum of its proper divisors (1).

226568561357 is an equidigital number, since it uses as much as digits as its factorization.

226568561357 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 18144000, while the sum is 56.

The spelling of 226568561357 in words is "two hundred twenty-six billion, five hundred sixty-eight million, five hundred sixty-one thousand, three hundred fifty-seven".