36687223 has 4 divisors (see below), whose sum is σ = 36711400. Its totient is φ = 36663048.

The previous prime is 36687199. The next prime is 36687247. The reversal of 36687223 is 32278663.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32278663 = 19 ⋅1698877.

It is an interprime number because it is at equal distance from previous prime (36687199) and next prime (36687247).

It is a cyclic number.

It is not a de Polignac number, because 36687223 - 2¹⁷ = 36556151 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36687253) 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 3 ways as a sum of consecutive naturals, for example, 9648 + ... + 12901.

It is an arithmetic number, because the mean of its divisors is an integer number (9177850).

Almost surely, 2^36687223 is an apocalyptic number.

36687223 is a deficient number, since it is larger than the sum of its proper divisors (24177).

36687223 is a wasteful number, since it uses less digits than its factorization.

36687223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24176.

The product of its digits is 72576, while the sum is 37.

The square root of 36687223 is about 6056.9978537226. The cubic root of 36687223 is about 332.2805697894.

The spelling of 36687223 in words is "thirty-six million, six hundred eighty-seven thousand, two hundred twenty-three".