226646345273 has 4 divisors (see below), whose sum is σ = 226983116148. Its totient is φ = 226309574400.

The previous prime is 226646345257. The next prime is 226646345287. The reversal of 226646345273 is 372543646622.

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

It can be written as a sum of positive squares in 2 ways, for example, as 86431296064 + 140215049209 = 293992^2 + 374453^2 .

It is a cyclic number.

It is not a de Polignac number, because 226646345273 - 2⁴ = 226646345257 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (226646345573) 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, 168384428 + ... + 168385773.

It is an arithmetic number, because the mean of its divisors is an integer number (56745779037).

Almost surely, 2^226646345273 is an apocalyptic number.

It is an amenable number.

226646345273 is a deficient number, since it is larger than the sum of its proper divisors (336770875).

226646345273 is an equidigital number, since it uses as much as digits as its factorization.

226646345273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 336770874.

The product of its digits is 8709120, while the sum is 50.

The spelling of 226646345273 in words is "two hundred twenty-six billion, six hundred forty-six million, three hundred forty-five thousand, two hundred seventy-three".