226601365 has 4 divisors (see below), whose sum is σ = 271921644. Its totient is φ = 181281088.

The previous prime is 226601329. The next prime is 226601369. The reversal of 226601365 is 563106622.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 174847729 + 51753636 = 13223^2 + 7194^2 .

It is a cyclic number.

It is not a de Polignac number, because 226601365 - 2⁷ = 226601237 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (226601369) 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, 22660132 + ... + 22660141.

It is an arithmetic number, because the mean of its divisors is an integer number (67980411).

Almost surely, 2^226601365 is an apocalyptic number.

It is an amenable number.

226601365 is a deficient number, since it is larger than the sum of its proper divisors (45320279).

226601365 is an equidigital number, since it uses as much as digits as its factorization.

226601365 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45320278.

The product of its (nonzero) digits is 12960, while the sum is 31.

The square root of 226601365 is about 15053.2841931586. The cubic root of 226601365 is about 609.6597269116.

Adding to 226601365 its reverse (563106622), we get a palindrome (789707987).

It can be divided in two parts, 22660 and 1365, that added together give a square (24025 = 155²).

The spelling of 226601365 in words is "two hundred twenty-six million, six hundred one thousand, three hundred sixty-five".