226185263 has 2 divisors, whose sum is σ = 226185264. Its totient is φ = 226185262.

The previous prime is 226185259. The next prime is 226185287. The reversal of 226185263 is 362581622.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 226185263 - 2² = 226185259 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (226185293) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 113092631 + 113092632.

It is an arithmetic number, because the mean of its divisors is an integer number (113092632).

Almost surely, 2^226185263 is an apocalyptic number.

226185263 is a deficient number, since it is larger than the sum of its proper divisors (1).

226185263 is an equidigital number, since it uses as much as digits as its factorization.

226185263 is an evil number, because the sum of its binary digits is even.

The product of its digits is 34560, while the sum is 35.

The square root of 226185263 is about 15039.4568718421. The cubic root of 226185263 is about 609.2863310056.

The spelling of 226185263 in words is "two hundred twenty-six million, one hundred eighty-five thousand, two hundred sixty-three".