226663523 has 4 divisors (see below), whose sum is σ = 227317080. Its totient is φ = 226009968.

The previous prime is 226663511. The next prime is 226663553. The reversal of 226663523 is 325366622.

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 226663523 - 2⁸ = 226663267 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (226663553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 326258 + ... + 326951.

It is an arithmetic number, because the mean of its divisors is an integer number (56829270).

Almost surely, 2^226663523 is an apocalyptic number.

226663523 is a deficient number, since it is larger than the sum of its proper divisors (653557).

226663523 is an equidigital number, since it uses as much as digits as its factorization.

226663523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 653556.

The product of its digits is 77760, while the sum is 35.

The square root of 226663523 is about 15055.3486508948. The cubic root of 226663523 is about 609.7154661535.

The spelling of 226663523 in words is "two hundred twenty-six million, six hundred sixty-three thousand, five hundred twenty-three".