227918479361 has 4 divisors (see below), whose sum is σ = 235777737300. Its totient is φ = 220059221424.

The previous prime is 227918479343. The next prime is 227918479363. The reversal of 227918479361 is 163974819722.

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 80965857025 + 146952622336 = 284545^2 + 383344^2 .

It is a cyclic number.

It is not a de Polignac number, because 227918479361 - 2³⁴ = 210738610177 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 227918479361.

It is not an unprimeable number, because it can be changed into a prime (227918479363) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3929628926 + ... + 3929628983.

It is an arithmetic number, because the mean of its divisors is an integer number (58944434325).

It is a Proth number, since it is equal to 13585 ⋅ 2²⁴ + 1 and 13585 < 2²⁴.

Almost surely, 2^227918479361 is an apocalyptic number.

It is an amenable number.

227918479361 is a deficient number, since it is larger than the sum of its proper divisors (7859257939).

227918479361 is an equidigital number, since it uses as much as digits as its factorization.

227918479361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7859257938.

The product of its digits is 9144576, while the sum is 59.

The spelling of 227918479361 in words is "two hundred twenty-seven billion, nine hundred eighteen million, four hundred seventy-nine thousand, three hundred sixty-one".