36565223 has 4 divisors (see below), whose sum is σ = 36639000. Its totient is φ = 36491448.

The previous prime is 36565211. The next prime is 36565241. The reversal of 36565223 is 32256563.

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

It is a cyclic number.

It is not a de Polignac number, because 36565223 - 2⁶ = 36565159 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 36565223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36565273) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36140 + ... + 37137.

It is an arithmetic number, because the mean of its divisors is an integer number (9159750).

Almost surely, 2^36565223 is an apocalyptic number.

36565223 is a deficient number, since it is larger than the sum of its proper divisors (73777).

36565223 is an equidigital number, since it uses as much as digits as its factorization.

36565223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73776.

The product of its digits is 32400, while the sum is 32.

The square root of 36565223 is about 6046.9184714200. The cubic root of 36565223 is about 331.9118378914.

The spelling of 36565223 in words is "thirty-six million, five hundred sixty-five thousand, two hundred twenty-three".