226865563 has 2 divisors, whose sum is σ = 226865564. Its totient is φ = 226865562.

The previous prime is 226865557. The next prime is 226865603. The reversal of 226865563 is 365568622.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-226865563 is a prime.

It is equal to p_12479785 and since 226865563 and 12479785 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (226865063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 113432781 + 113432782.

It is an arithmetic number, because the mean of its divisors is an integer number (113432782).

Almost surely, 2^226865563 is an apocalyptic number.

226865563 is a deficient number, since it is larger than the sum of its proper divisors (1).

226865563 is an equidigital number, since it uses as much as digits as its factorization.

226865563 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 518400, while the sum is 43.

The square root of 226865563 is about 15062.0570640268. The cubic root of 226865563 is about 609.8965720908.

The spelling of 226865563 in words is "two hundred twenty-six million, eight hundred sixty-five thousand, five hundred sixty-three".