275666227 has 4 divisors (see below), whose sum is σ = 275918616. Its totient is φ = 275413840.

The previous prime is 275666221. The next prime is 275666239. The reversal of 275666227 is 722666572.

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

It is a cyclic number.

It is not a de Polignac number, because 275666227 - 2³ = 275666219 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (275666221) 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, 124549 + ... + 126742.

It is an arithmetic number, because the mean of its divisors is an integer number (68979654).

Almost surely, 2^275666227 is an apocalyptic number.

275666227 is a deficient number, since it is larger than the sum of its proper divisors (252389).

275666227 is a wasteful number, since it uses less digits than its factorization.

275666227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 252388.

The product of its digits is 423360, while the sum is 43.

The square root of 275666227 is about 16603.1993001349. The cubic root of 275666227 is about 650.8204448479.

The spelling of 275666227 in words is "two hundred seventy-five million, six hundred sixty-six thousand, two hundred twenty-seven".