36221775 has 12 divisors (see below), whose sum is σ = 59886792. Its totient is φ = 19318240.

The previous prime is 36221761. The next prime is 36221777. The reversal of 36221775 is 57712263.

36221775 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 36221775 - 2⁸ = 36221519 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36221777) 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, 241404 + ... + 241553.

It is an arithmetic number, because the mean of its divisors is an integer number (4990566).

Almost surely, 2^36221775 is an apocalyptic number.

36221775 is a deficient number, since it is larger than the sum of its proper divisors (23665017).

36221775 is a wasteful number, since it uses less digits than its factorization.

36221775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 482970 (or 482965 counting only the distinct ones).

The product of its digits is 17640, while the sum is 33.

The square root of 36221775 is about 6018.4528742859. The cubic root of 36221775 is about 330.8693788842.

The spelling of 36221775 in words is "thirty-six million, two hundred twenty-one thousand, seven hundred seventy-five".