226645163 has 2 divisors, whose sum is σ = 226645164. Its totient is φ = 226645162.

The previous prime is 226645087. The next prime is 226645187. The reversal of 226645163 is 361546622.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 226645163 - 2¹⁶ = 226579627 is a prime.

It is a super-2 number, since 2×226645163² = 102736059822593138, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (226644163) 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 as a sum of consecutive naturals, namely, 113322581 + 113322582.

It is an arithmetic number, because the mean of its divisors is an integer number (113322582).

Almost surely, 2^226645163 is an apocalyptic number.

226645163 is a deficient number, since it is larger than the sum of its proper divisors (1).

226645163 is an equidigital number, since it uses as much as digits as its factorization.

226645163 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 51840, while the sum is 35.

The square root of 226645163 is about 15054.7388884696. The cubic root of 226645163 is about 609.6990031631.

The spelling of 226645163 in words is "two hundred twenty-six million, six hundred forty-five thousand, one hundred sixty-three".