36536221 has 8 divisors (see below), whose sum is σ = 38596320. Its totient is φ = 34489872.

The previous prime is 36536209. The next prime is 36536231. The reversal of 36536221 is 12263563.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 36536221 - 2¹³ = 36528029 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 36536221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36536231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2286 + ... + 8848.

It is an arithmetic number, because the mean of its divisors is an integer number (4824540).

Almost surely, 2^36536221 is an apocalyptic number.

It is an amenable number.

36536221 is a deficient number, since it is larger than the sum of its proper divisors (2060099).

36536221 is a wasteful number, since it uses less digits than its factorization.

36536221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6875.

The product of its digits is 6480, while the sum is 28.

The square root of 36536221 is about 6044.5199147658. The cubic root of 36536221 is about 331.8240618348.

Adding to 36536221 its reverse (12263563), we get a palindrome (48799784).

The spelling of 36536221 in words is "thirty-six million, five hundred thirty-six thousand, two hundred twenty-one".