226146565 has 4 divisors (see below), whose sum is σ = 271375884. Its totient is φ = 180917248.

The previous prime is 226146527. The next prime is 226146593. The reversal of 226146565 is 565641622.

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 31069476 + 195077089 = 5574^2 + 13967^2 .

It is a cyclic number.

It is not a de Polignac number, because 226146565 - 2¹⁹ = 225622277 is a prime.

It is a super-2 number, since 2×226146565² = 102284537722598450, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22614652 + ... + 22614661.

It is an arithmetic number, because the mean of its divisors is an integer number (67843971).

Almost surely, 2^226146565 is an apocalyptic number.

It is an amenable number.

226146565 is a deficient number, since it is larger than the sum of its proper divisors (45229319).

226146565 is an equidigital number, since it uses as much as digits as its factorization.

226146565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45229318.

The product of its digits is 86400, while the sum is 37.

The square root of 226146565 is about 15038.1702676888. The cubic root of 226146565 is about 609.2515814573.

The spelling of 226146565 in words is "two hundred twenty-six million, one hundred forty-six thousand, five hundred sixty-five".