266017226 has 4 divisors (see below), whose sum is σ = 399025842. Its totient is φ = 133008612.

The previous prime is 266017211. The next prime is 266017237. The reversal of 266017226 is 622710662.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 153636025 + 112381201 = 12395^2 + 10601^2 .

It is a junction number, because it is equal to n+sod(n) for n = 266017192 and 266017201.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 66504305 + ... + 66504308.

Almost surely, 2^266017226 is an apocalyptic number.

266017226 is a deficient number, since it is larger than the sum of its proper divisors (133008616).

266017226 is a wasteful number, since it uses less digits than its factorization.

266017226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133008615.

The product of its (nonzero) digits is 12096, while the sum is 32.

The square root of 266017226 is about 16310.0345186637. The cubic root of 266017226 is about 643.1366415860.

Adding to 266017226 its reverse (622710662), we get a palindrome (888727888).

The spelling of 266017226 in words is "two hundred sixty-six million, seventeen thousand, two hundred twenty-six".