226442653546397 has 2 divisors, whose sum is σ = 226442653546398. Its totient is φ = 226442653546396.

The previous prime is 226442653546367. The next prime is 226442653546423. The reversal of 226442653546397 is 793645356244622.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 218325772774201 + 8116880772196 = 14775851^2 + 2849014^2 .

It is a cyclic number.

It is not a de Polignac number, because 226442653546397 - 2²⁶ = 226442586437533 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (226442653546367) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 113221326773198 + 113221326773199.

It is an arithmetic number, because the mean of its divisors is an integer number (113221326773199).

Almost surely, 2^{226442653546397} is an apocalyptic number.

It is an amenable number.

226442653546397 is a deficient number, since it is larger than the sum of its proper divisors (1).

226442653546397 is an equidigital number, since it uses as much as digits as its factorization.

226442653546397 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1567641600, while the sum is 68.

The spelling of 226442653546397 in words is "two hundred twenty-six trillion, four hundred forty-two billion, six hundred fifty-three million, five hundred forty-six thousand, three hundred ninety-seven".