22057559 has 2 divisors, whose sum is σ = 22057560. Its totient is φ = 22057558.

The previous prime is 22057543. The next prime is 22057561. The reversal of 22057559 is 95575022.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22057559 - 2⁴ = 22057543 is a prime.

Together with 22057561, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22057589) 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, 11028779 + 11028780.

It is an arithmetic number, because the mean of its divisors is an integer number (11028780).

Almost surely, 2^22057559 is an apocalyptic number.

22057559 is a deficient number, since it is larger than the sum of its proper divisors (1).

22057559 is an equidigital number, since it uses as much as digits as its factorization.

22057559 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 31500, while the sum is 35.

The square root of 22057559 is about 4696.5475617734. The cubic root of 22057559 is about 280.4480878086.

The spelling of 22057559 in words is "twenty-two million, fifty-seven thousand, five hundred fifty-nine".