36221717 has 4 divisors (see below), whose sum is σ = 41396256. Its totient is φ = 31047180.

The previous prime is 36221677. The next prime is 36221719. The reversal of 36221717 is 71712263.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 71712263 = 7 ⋅10244609.

It is a cyclic number.

It is not a de Polignac number, because 36221717 - 2⁸ = 36221461 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 36221717.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36221719) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2587259 + ... + 2587272.

It is an arithmetic number, because the mean of its divisors is an integer number (10349064).

Almost surely, 2^36221717 is an apocalyptic number.

It is an amenable number.

36221717 is a deficient number, since it is larger than the sum of its proper divisors (5174539).

36221717 is an equidigital number, since it uses as much as digits as its factorization.

36221717 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5174538.

The product of its digits is 3528, while the sum is 29.

The square root of 36221717 is about 6018.4480557699. The cubic root of 36221717 is about 330.8692022829.

The spelling of 36221717 in words is "thirty-six million, two hundred twenty-one thousand, seven hundred seventeen".