36627221 has 4 divisors (see below), whose sum is σ = 36766752. Its totient is φ = 36487692.

The previous prime is 36627211. The next prime is 36627223. The reversal of 36627221 is 12272663.

36627221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-36627221 is a prime.

It is a Duffinian number.

It is a plaindrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36627223) 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 3 ways as a sum of consecutive naturals, for example, 69371 + ... + 69896.

It is an arithmetic number, because the mean of its divisors is an integer number (9191688).

Almost surely, 2^36627221 is an apocalyptic number.

It is an amenable number.

36627221 is a deficient number, since it is larger than the sum of its proper divisors (139531).

36627221 is a wasteful number, since it uses less digits than its factorization.

36627221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139530.

The product of its digits is 6048, while the sum is 29.

The square root of 36627221 is about 6052.0427130019. The cubic root of 36627221 is about 332.0993225115.

Adding to 36627221 its reverse (12272663), we get a palindrome (48899884).

The spelling of 36627221 in words is "thirty-six million, six hundred twenty-seven thousand, two hundred twenty-one".