226641263 has 4 divisors (see below), whose sum is σ = 239973120. Its totient is φ = 213309408.

The previous prime is 226641227. The next prime is 226641319. The reversal of 226641263 is 362146622.

226641263 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 226641263 - 2⁶ = 226641199 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (226641223) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6665903 + ... + 6665936.

It is an arithmetic number, because the mean of its divisors is an integer number (59993280).

Almost surely, 2^226641263 is an apocalyptic number.

226641263 is a deficient number, since it is larger than the sum of its proper divisors (13331857).

226641263 is a wasteful number, since it uses less digits than its factorization.

226641263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13331856.

The product of its digits is 20736, while the sum is 32.

The square root of 226641263 is about 15054.6093605912. The cubic root of 226641263 is about 609.6955060081.

Adding to 226641263 its reverse (362146622), we get a palindrome (588787885).

The spelling of 226641263 in words is "two hundred twenty-six million, six hundred forty-one thousand, two hundred sixty-three".