226636717213 has 4 divisors (see below), whose sum is σ = 227254256320. Its totient is φ = 226019178108.

The previous prime is 226636717207. The next prime is 226636717231. The reversal of 226636717213 is 312717636622.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 226636717213 - 2⁹ = 226636716701 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (226636717243) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 308769003 + ... + 308769736.

It is an arithmetic number, because the mean of its divisors is an integer number (56813564080).

Almost surely, 2^226636717213 is an apocalyptic number.

It is an amenable number.

226636717213 is a deficient number, since it is larger than the sum of its proper divisors (617539107).

226636717213 is an equidigital number, since it uses as much as digits as its factorization.

226636717213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 617539106.

The product of its digits is 762048, while the sum is 46.

The spelling of 226636717213 in words is "two hundred twenty-six billion, six hundred thirty-six million, seven hundred seventeen thousand, two hundred thirteen".