275012227 has 4 divisors (see below), whose sum is σ = 314299696. Its totient is φ = 235724760.

The previous prime is 275012209. The next prime is 275012233. The reversal of 275012227 is 722210572.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-275012227 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 275012195 and 275012204.

It is not an unprimeable number, because it can be changed into a prime (275012237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19643724 + ... + 19643737.

It is an arithmetic number, because the mean of its divisors is an integer number (78574924).

Almost surely, 2^275012227 is an apocalyptic number.

275012227 is a deficient number, since it is larger than the sum of its proper divisors (39287469).

275012227 is an equidigital number, since it uses as much as digits as its factorization.

275012227 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39287468.

The product of its (nonzero) digits is 3920, while the sum is 28.

The square root of 275012227 is about 16583.4926056003. The cubic root of 275012227 is about 650.3053610596.

Adding to 275012227 its reverse (722210572), we get a palindrome (997222799).

The spelling of 275012227 in words is "two hundred seventy-five million, twelve thousand, two hundred twenty-seven".