22587113 has 2 divisors, whose sum is σ = 22587114. Its totient is φ = 22587112.

The previous prime is 22587091. The next prime is 22587121. The reversal of 22587113 is 31178522.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20313049 + 2274064 = 4507^2 + 1508^2 .

It is a cyclic number.

It is not a de Polignac number, because 22587113 - 2⁶ = 22587049 is a prime.

It is not a weakly prime, because it can be changed into another prime (22587133) 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 as a sum of consecutive naturals, namely, 11293556 + 11293557.

It is an arithmetic number, because the mean of its divisors is an integer number (11293557).

Almost surely, 2^22587113 is an apocalyptic number.

It is an amenable number.

22587113 is a deficient number, since it is larger than the sum of its proper divisors (1).

22587113 is an equidigital number, since it uses as much as digits as its factorization.

22587113 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3360, while the sum is 29.

The square root of 22587113 is about 4752.5901359154. The cubic root of 22587113 is about 282.6746793432.

The spelling of 22587113 in words is "twenty-two million, five hundred eighty-seven thousand, one hundred thirteen".