266226822 has 48 divisors (see below), whose sum is σ = 626795520. Its totient is φ = 81356400.

The previous prime is 266226811. The next prime is 266226823. The reversal of 266226822 is 228622662.

It is a happy number.

266226822 is a `hidden beast` number, since 2 + 6 + 622 + 6 + 8 + 22 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (266226823) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1954 + ... + 23157.

It is an arithmetic number, because the mean of its divisors is an integer number (13058240).

Almost surely, 2^266226822 is an apocalyptic number.

266226822 is an abundant number, since it is smaller than the sum of its proper divisors (360568698).

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

266226822 is a wasteful number, since it uses less digits than its factorization.

266226822 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25169 (or 25166 counting only the distinct ones).

The product of its digits is 55296, while the sum is 36.

The square root of 266226822 is about 16316.4586231204. The cubic root of 266226822 is about 643.3055071919.

The spelling of 266226822 in words is "two hundred sixty-six million, two hundred twenty-six thousand, eight hundred twenty-two".