226445108693 has 2 divisors, whose sum is σ = 226445108694. Its totient is φ = 226445108692.

The previous prime is 226445108633. The next prime is 226445108711. The reversal of 226445108693 is 396801544622.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 186383885284 + 40061223409 = 431722^2 + 200153^2 .

It is a cyclic number.

It is not a de Polignac number, because 226445108693 - 2⁶ = 226445108629 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (226445108623) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 113222554346 + 113222554347.

It is an arithmetic number, because the mean of its divisors is an integer number (113222554347).

Almost surely, 2^226445108693 is an apocalyptic number.

It is an amenable number.

226445108693 is a deficient number, since it is larger than the sum of its proper divisors (1).

226445108693 is an equidigital number, since it uses as much as digits as its factorization.

226445108693 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2488320, while the sum is 50.

The spelling of 226445108693 in words is "two hundred twenty-six billion, four hundred forty-five million, one hundred eight thousand, six hundred ninety-three".