36222281 has 2 divisors, whose sum is σ = 36222282. Its totient is φ = 36222280.

The previous prime is 36222259. The next prime is 36222287. The reversal of 36222281 is 18222263.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23377225 + 12845056 = 4835^2 + 3584^2 .

It is a cyclic number.

It is not a de Polignac number, because 36222281 - 2¹⁸ = 35960137 is a prime.

It is a super-2 number, since 2×36222281² = 2624107281685922, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 36222281.

It is not a weakly prime, because it can be changed into another prime (36222287) 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 as a sum of consecutive naturals, namely, 18111140 + 18111141.

It is an arithmetic number, because the mean of its divisors is an integer number (18111141).

Almost surely, 2^36222281 is an apocalyptic number.

It is an amenable number.

36222281 is a deficient number, since it is larger than the sum of its proper divisors (1).

36222281 is an equidigital number, since it uses as much as digits as its factorization.

36222281 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2304, while the sum is 26.

The square root of 36222281 is about 6018.4949115207. The cubic root of 36222281 is about 330.8709195700.

The spelling of 36222281 in words is "thirty-six million, two hundred twenty-two thousand, two hundred eighty-one".