226340266 has 4 divisors (see below), whose sum is σ = 339510402. Its totient is φ = 113170132.

The previous prime is 226340251. The next prime is 226340267. The reversal of 226340266 is 662043622.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 662043622 = 2 ⋅331021811.

It can be written as a sum of positive squares in only one way, i.e., 158030041 + 68310225 = 12571^2 + 8265^2 .

It is not an unprimeable number, because it can be changed into a prime (226340267) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56585065 + ... + 56585068.

Almost surely, 2^226340266 is an apocalyptic number.

226340266 is a deficient number, since it is larger than the sum of its proper divisors (113170136).

226340266 is a wasteful number, since it uses less digits than its factorization.

226340266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113170135.

The product of its (nonzero) digits is 20736, while the sum is 31.

The square root of 226340266 is about 15044.6092006406. The cubic root of 226340266 is about 609.4254789514.

Adding to 226340266 its reverse (662043622), we get a palindrome (888383888).

The spelling of 226340266 in words is "two hundred twenty-six million, three hundred forty thousand, two hundred sixty-six".