266822828 has 24 divisors (see below), whose sum is σ = 488807424. Its totient is φ = 127285200.

The previous prime is 266822821. The next prime is 266822851. The reversal of 266822828 is 828228662.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (266822821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6350 + ... + 23957.

It is an arithmetic number, because the mean of its divisors is an integer number (20366976).

Almost surely, 2^266822828 is an apocalyptic number.

It is an amenable number.

266822828 is a deficient number, since it is larger than the sum of its proper divisors (221984596).

266822828 is a wasteful number, since it uses less digits than its factorization.

266822828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30413 (or 30411 counting only the distinct ones).

The product of its digits is 294912, while the sum is 44.

The square root of 266822828 is about 16334.7123635527. The cubic root of 266822828 is about 643.7852086439.

The spelling of 266822828 in words is "two hundred sixty-six million, eight hundred twenty-two thousand, eight hundred twenty-eight".