228559736401897 has 2 divisors, whose sum is σ = 228559736401898. Its totient is φ = 228559736401896.

The previous prime is 228559736401819. The next prime is 228559736401993. The reversal of 228559736401897 is 798104637955822.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 213639470520921 + 14920265880976 = 14616411^2 + 3862676^2 .

It is a cyclic number.

It is not a de Polignac number, because 228559736401897 - 2¹⁹ = 228559735877609 is a prime.

It is not a weakly prime, because it can be changed into another prime (228559736401597) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114279868200948 + 114279868200949.

It is an arithmetic number, because the mean of its divisors is an integer number (114279868200949).

It is a 1-persistent number, because it is pandigital, but 2⋅228559736401897 = 457119472803794 is not.

Almost surely, 2^{228559736401897} is an apocalyptic number.

It is an amenable number.

228559736401897 is a deficient number, since it is larger than the sum of its proper divisors (1).

228559736401897 is an equidigital number, since it uses as much as digits as its factorization.

228559736401897 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1828915200, while the sum is 76.

The spelling of 228559736401897 in words is "two hundred twenty-eight trillion, five hundred fifty-nine billion, seven hundred thirty-six million, four hundred one thousand, eight hundred ninety-seven".