227426800185 has 24 divisors (see below), whose sum is σ = 424530028104. Its totient is φ = 111963962880.

The previous prime is 227426800169. The next prime is 227426800189. The reversal of 227426800185 is 581008624722.

It can be written as a sum of positive squares in 4 ways, for example, as 492706809 + 226934093376 = 22197^2 + 476376^2 .

It is not a de Polignac number, because 227426800185 - 2⁴ = 227426800169 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 227426800185.

It is not an unprimeable number, because it can be changed into a prime (227426800189) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 194381296 + ... + 194382465.

It is an arithmetic number, because the mean of its divisors is an integer number (17688751171).

Almost surely, 2^227426800185 is an apocalyptic number.

It is an amenable number.

227426800185 is a deficient number, since it is larger than the sum of its proper divisors (197103227919).

227426800185 is a wasteful number, since it uses less digits than its factorization.

227426800185 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 388763785 (or 388763782 counting only the distinct ones).

The product of its (nonzero) digits is 430080, while the sum is 45.

The spelling of 227426800185 in words is "two hundred twenty-seven billion, four hundred twenty-six million, eight hundred thousand, one hundred eighty-five".