266001226 has 8 divisors (see below), whose sum is σ = 399472164. Its totient is φ = 132843840.

The previous prime is 266001217. The next prime is 266001259. The reversal of 266001226 is 622100662.

266001226 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 243391201 + 22610025 = 15601^2 + 4755^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 266001226.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 76255 + ... + 79666.

Almost surely, 2^266001226 is an apocalyptic number.

266001226 is a deficient number, since it is larger than the sum of its proper divisors (133470938).

266001226 is a wasteful number, since it uses less digits than its factorization.

266001226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156776.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 266001226 is about 16309.5440156983. The cubic root of 266001226 is about 643.1237471922.

Adding to 266001226 its reverse (622100662), we get a palindrome (888101888).

The spelling of 266001226 in words is "two hundred sixty-six million, one thousand, two hundred twenty-six".