226330661 has 2 divisors, whose sum is σ = 226330662. Its totient is φ = 226330660.

The previous prime is 226330633. The next prime is 226330669. The reversal of 226330661 is 166033622.

226330661 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 204661636 + 21669025 = 14306^2 + 4655^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-226330661 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (226330669) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 113165330 + 113165331.

It is an arithmetic number, because the mean of its divisors is an integer number (113165331).

Almost surely, 2^226330661 is an apocalyptic number.

It is an amenable number.

226330661 is a deficient number, since it is larger than the sum of its proper divisors (1).

226330661 is an equidigital number, since it uses as much as digits as its factorization.

226330661 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7776, while the sum is 29.

The square root of 226330661 is about 15044.2899799226. The cubic root of 226330661 is about 609.4168582809.

The spelling of 226330661 in words is "two hundred twenty-six million, three hundred thirty thousand, six hundred sixty-one".