228227775005 has 4 divisors (see below), whose sum is σ = 273873330012. Its totient is φ = 182582220000.

The previous prime is 228227775001. The next prime is 228227775019. The reversal of 228227775005 is 500577722822.

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 67107420601 + 161120354404 = 259051^2 + 401398^2 .

It is not a de Polignac number, because 228227775005 - 2² = 228227775001 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 (228227775001) 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, 22822777496 + ... + 22822777505.

It is an arithmetic number, because the mean of its divisors is an integer number (68468332503).

Almost surely, 2^228227775005 is an apocalyptic number.

It is an amenable number.

228227775005 is a deficient number, since it is larger than the sum of its proper divisors (45645555007).

228227775005 is an equidigital number, since it uses as much as digits as its factorization.

228227775005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45645555006.

The product of its (nonzero) digits is 1097600, while the sum is 47.

The spelling of 228227775005 in words is "two hundred twenty-eight billion, two hundred twenty-seven million, seven hundred seventy-five thousand, five".