22436873 has 2 divisors, whose sum is σ = 22436874. Its totient is φ = 22436872.

The previous prime is 22436833. The next prime is 22436879. The reversal of 22436873 is 37863422.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16345849 + 6091024 = 4043^2 + 2468^2 .

It is a cyclic number.

It is not a de Polignac number, because 22436873 - 2¹² = 22432777 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (22436879) 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, 11218436 + 11218437.

It is an arithmetic number, because the mean of its divisors is an integer number (11218437).

Almost surely, 2^22436873 is an apocalyptic number.

It is an amenable number.

22436873 is a deficient number, since it is larger than the sum of its proper divisors (1).

22436873 is an equidigital number, since it uses as much as digits as its factorization.

22436873 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 48384, while the sum is 35.

The square root of 22436873 is about 4736.7576463231. The cubic root of 22436873 is about 282.0465401115.

The spelling of 22436873 in words is "twenty-two million, four hundred thirty-six thousand, eight hundred seventy-three".