266242122 has 24 divisors (see below), whose sum is σ = 589133376. Its totient is φ = 86858856.

The previous prime is 266242063. The next prime is 266242147. The reversal of 266242122 is 221242662.

It is a happy number.

266242122 is a `hidden beast` number, since 26 + 624 + 2 + 12 + 2 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 156508 + ... + 158199.

It is an arithmetic number, because the mean of its divisors is an integer number (24547224).

Almost surely, 2^266242122 is an apocalyptic number.

266242122 is an abundant number, since it is smaller than the sum of its proper divisors (322891254).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

266242122 is a wasteful number, since it uses less digits than its factorization.

266242122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 314762 (or 314759 counting only the distinct ones).

The product of its digits is 4608, while the sum is 27.

The square root of 266242122 is about 16316.9274681234. The cubic root of 266242122 is about 643.3178305003.

Adding to 266242122 its reverse (221242662), we get a palindrome (487484784).

The spelling of 266242122 in words is "two hundred sixty-six million, two hundred forty-two thousand, one hundred twenty-two".