36722227 has 4 divisors (see below), whose sum is σ = 38882376. Its totient is φ = 34562080.

The previous prime is 36722173. The next prime is 36722239. The reversal of 36722227 is 72222763.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 36722227 - 2¹⁹ = 36197939 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (36722027) 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, 1080049 + ... + 1080082.

It is an arithmetic number, because the mean of its divisors is an integer number (9720594).

Almost surely, 2^36722227 is an apocalyptic number.

36722227 is a deficient number, since it is larger than the sum of its proper divisors (2160149).

36722227 is a wasteful number, since it uses less digits than its factorization.

36722227 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2160148.

The product of its digits is 14112, while the sum is 31.

The square root of 36722227 is about 6059.8867151128. The cubic root of 36722227 is about 332.3862146697.

The spelling of 36722227 in words is "thirty-six million, seven hundred twenty-two thousand, two hundred twenty-seven".