266845227 has 16 divisors (see below), whose sum is σ = 389844480. Its totient is φ = 161013600.

The previous prime is 266845219. The next prime is 266845231. The reversal of 266845227 is 722548662.

It is not a de Polignac number, because 266845227 - 2³ = 266845219 is a prime.

It is not an unprimeable number, because it can be changed into a prime (266845217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10099 + ... + 25212.

It is an arithmetic number, because the mean of its divisors is an integer number (24365280).

Almost surely, 2^266845227 is an apocalyptic number.

266845227 is a deficient number, since it is larger than the sum of its proper divisors (122999253).

266845227 is a wasteful number, since it uses less digits than its factorization.

266845227 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35554.

The product of its digits is 322560, while the sum is 42.

The square root of 266845227 is about 16335.3979749500. The cubic root of 266845227 is about 643.8032227715.

It can be divided in two parts, 2668 and 45227, that added together give a triangular number (47895 = T₃₀₉).

The spelling of 266845227 in words is "two hundred sixty-six million, eight hundred forty-five thousand, two hundred twenty-seven".