226718965443 has 4 divisors (see below), whose sum is σ = 302291953928. Its totient is φ = 151145976960.

The previous prime is 226718965441. The next prime is 226718965457. The reversal of 226718965443 is 344569817622.

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

It is not a de Polignac number, because 226718965443 - 2¹ = 226718965441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (226718965441) 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, 37786494238 + ... + 37786494243.

It is an arithmetic number, because the mean of its divisors is an integer number (75572988482).

Almost surely, 2^226718965443 is an apocalyptic number.

226718965443 is a deficient number, since it is larger than the sum of its proper divisors (75572988485).

226718965443 is an equidigital number, since it uses as much as digits as its factorization.

226718965443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75572988484.

The product of its digits is 17418240, while the sum is 57.

The spelling of 226718965443 in words is "two hundred twenty-six billion, seven hundred eighteen million, nine hundred sixty-five thousand, four hundred forty-three".