226540712686943 has 4 divisors (see below), whose sum is σ = 226541345718360. Its totient is φ = 226540079655528.

The previous prime is 226540712686919. The next prime is 226540712686949. The reversal of 226540712686943 is 349686217045622.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 226540712686943 - 2²² = 226540708492639 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 226540712686943.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (226540712686949) 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, 315978605 + ... + 316694742.

It is an arithmetic number, because the mean of its divisors is an integer number (56635336429590).

It is a 1-persistent number, because it is pandigital, but 2⋅226540712686943 = 453081425373886 is not.

Almost surely, 2^{226540712686943} is an apocalyptic number.

226540712686943 is a deficient number, since it is larger than the sum of its proper divisors (633031417).

226540712686943 is an equidigital number, since it uses as much as digits as its factorization.

226540712686943 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 633031416.

The product of its (nonzero) digits is 209018880, while the sum is 65.

The spelling of 226540712686943 in words is "two hundred twenty-six trillion, five hundred forty billion, seven hundred twelve million, six hundred eighty-six thousand, nine hundred forty-three".