226400263 has 2 divisors, whose sum is σ = 226400264. Its totient is φ = 226400262.

The previous prime is 226400249. The next prime is 226400267. The reversal of 226400263 is 362004622.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 226400263 - 2⁹ = 226399751 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (226400267) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 113200131 + 113200132.

It is an arithmetic number, because the mean of its divisors is an integer number (113200132).

Almost surely, 2^226400263 is an apocalyptic number.

226400263 is a deficient number, since it is larger than the sum of its proper divisors (1).

226400263 is an equidigital number, since it uses as much as digits as its factorization.

226400263 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3456, while the sum is 25.

The square root of 226400263 is about 15046.6030385599. The cubic root of 226400263 is about 609.4793218828.

Adding to 226400263 its reverse (362004622), we get a palindrome (588404885).

The spelling of 226400263 in words is "two hundred twenty-six million, four hundred thousand, two hundred sixty-three".