226021163 has 2 divisors, whose sum is σ = 226021164. Its totient is φ = 226021162.

The previous prime is 226021139. The next prime is 226021193. The reversal of 226021163 is 361120622.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 226021163 - 2¹⁰ = 226020139 is a prime.

It is a super-2 number, since 2×226021163² = 102171132247745138, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (226021193) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 113010581 + 113010582.

It is an arithmetic number, because the mean of its divisors is an integer number (113010582).

Almost surely, 2^226021163 is an apocalyptic number.

226021163 is a deficient number, since it is larger than the sum of its proper divisors (1).

226021163 is an equidigital number, since it uses as much as digits as its factorization.

226021163 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 226021163 is about 15034.0002328056. Note that the first 3 decimals coincide. The cubic root of 226021163 is about 609.1389472855.

Adding to 226021163 its reverse (361120622), we get a palindrome (587141785).

The spelling of 226021163 in words is "two hundred twenty-six million, twenty-one thousand, one hundred sixty-three".