22135559 has 2 divisors, whose sum is σ = 22135560. Its totient is φ = 22135558.

The previous prime is 22135549. The next prime is 22135577. The reversal of 22135559 is 95553122.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22135559 - 2¹² = 22131463 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22135549) 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, 11067779 + 11067780.

It is an arithmetic number, because the mean of its divisors is an integer number (11067780).

Almost surely, 2^22135559 is an apocalyptic number.

22135559 is a deficient number, since it is larger than the sum of its proper divisors (1).

22135559 is an equidigital number, since it uses as much as digits as its factorization.

22135559 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13500, while the sum is 32.

The square root of 22135559 is about 4704.8442057097. The cubic root of 22135559 is about 280.7782726768.

The spelling of 22135559 in words is "twenty-two million, one hundred thirty-five thousand, five hundred fifty-nine".