36731223 has 12 divisors (see below), whose sum is σ = 53147328. Its totient is φ = 24445440.

The previous prime is 36731183. The next prime is 36731251. The reversal of 36731223 is 32213763.

36731223 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2^k-36731223 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36731263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2586 + ... + 8952.

It is an arithmetic number, because the mean of its divisors is an integer number (4428944).

Almost surely, 2^36731223 is an apocalyptic number.

36731223 is a deficient number, since it is larger than the sum of its proper divisors (16416105).

36731223 is a wasteful number, since it uses less digits than its factorization.

36731223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7014 (or 7011 counting only the distinct ones).

The product of its digits is 4536, while the sum is 27.

The square root of 36731223 is about 6060.6289277599. The cubic root of 36731223 is about 332.4133544748.

Adding to 36731223 its reverse (32213763), we get a palindrome (68944986).

The spelling of 36731223 in words is "thirty-six million, seven hundred thirty-one thousand, two hundred twenty-three".