266004226 has 4 divisors (see below), whose sum is σ = 399006342. Its totient is φ = 133002112.

The previous prime is 266004197. The next prime is 266004229. The reversal of 266004226 is 622400662.

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., 226954225 + 39050001 = 15065^2 + 6249^2 .

It is a junction number, because it is equal to n+sod(n) for n = 266004194 and 266004203.

It is not an unprimeable number, because it can be changed into a prime (266004229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66501055 + ... + 66501058.

Almost surely, 2^266004226 is an apocalyptic number.

266004226 is a deficient number, since it is larger than the sum of its proper divisors (133002116).

266004226 is a wasteful number, since it uses less digits than its factorization.

266004226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133002115.

The product of its (nonzero) digits is 6912, while the sum is 28.

The square root of 266004226 is about 16309.6359861280. The cubic root of 266004226 is about 643.1261649304.

Adding to 266004226 its reverse (622400662), we get a palindrome (888404888).

The spelling of 266004226 in words is "two hundred sixty-six million, four thousand, two hundred twenty-six".