226538010197 has 2 divisors, whose sum is σ = 226538010198. Its totient is φ = 226538010196.

The previous prime is 226538010163. The next prime is 226538010203. The reversal of 226538010197 is 791010835622.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 220913160196 + 5624850001 = 470014^2 + 74999^2 .

It is a cyclic number.

It is not a de Polignac number, because 226538010197 - 2¹⁸ = 226537748053 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (226538013197) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 113269005098 + 113269005099.

It is an arithmetic number, because the mean of its divisors is an integer number (113269005099).

Almost surely, 2^226538010197 is an apocalyptic number.

It is an amenable number.

226538010197 is a deficient number, since it is larger than the sum of its proper divisors (1).

226538010197 is an equidigital number, since it uses as much as digits as its factorization.

226538010197 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 181440, while the sum is 44.

The spelling of 226538010197 in words is "two hundred twenty-six billion, five hundred thirty-eight million, ten thousand, one hundred ninety-seven".