22135563 has 24 divisors (see below), whose sum is σ = 32747520. Its totient is φ = 14405040.

The previous prime is 22135559. The next prime is 22135577. The reversal of 22135563 is 36553122.

It is not a de Polignac number, because 22135563 - 2² = 22135559 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22135163) 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 in 23 ways as a sum of consecutive naturals, for example, 115798 + ... + 115988.

It is an arithmetic number, because the mean of its divisors is an integer number (1364480).

Almost surely, 2^22135563 is an apocalyptic number.

22135563 is a deficient number, since it is larger than the sum of its proper divisors (10611957).

22135563 is a wasteful number, since it uses less digits than its factorization.

22135563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 439 (or 436 counting only the distinct ones).

The product of its digits is 5400, while the sum is 27.

The square root of 22135563 is about 4704.8446308034. The cubic root of 22135563 is about 280.7782895894.

Adding to 22135563 its reverse (36553122), we get a palindrome (58688685).

It can be divided in two parts, 2213 and 5563, that added together give a 5-th power (7776 = 6⁵).

The spelling of 22135563 in words is "twenty-two million, one hundred thirty-five thousand, five hundred sixty-three".