266222112 has 48 divisors (see below), whose sum is σ = 752592960. Its totient is φ = 81914112.

The previous prime is 266222087. The next prime is 266222119. The reversal of 266222112 is 211222662.

It is a happy number.

266222112 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (266222119) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 105412 + ... + 107907.

It is an arithmetic number, because the mean of its divisors is an integer number (15679020).

Almost surely, 2^266222112 is an apocalyptic number.

It is an amenable number.

266222112 is an abundant number, since it is smaller than the sum of its proper divisors (486370848).

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

266222112 is a wasteful number, since it uses less digits than its factorization.

266222112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213345 (or 213337 counting only the distinct ones).

The product of its digits is 1152, while the sum is 24.

The square root of 266222112 is about 16316.3142896918. The cubic root of 266222112 is about 643.3017134509.

Adding to 266222112 its reverse (211222662), we get a palindrome (477444774).

The spelling of 266222112 in words is "two hundred sixty-six million, two hundred twenty-two thousand, one hundred twelve".