22255563 has 16 divisors (see below), whose sum is σ = 32544000. Its totient is φ = 13416480.

The previous prime is 22255543. The next prime is 22255577. The reversal of 22255563 is 36555222.

It is not a de Polignac number, because 22255563 - 2²⁰ = 21206987 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22255563.

It is not an unprimeable number, because it can be changed into a prime (22255543) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4873 + ... + 8261.

It is an arithmetic number, because the mean of its divisors is an integer number (2034000).

Almost surely, 2^22255563 is an apocalyptic number.

22255563 is a deficient number, since it is larger than the sum of its proper divisors (10288437).

22255563 is a wasteful number, since it uses less digits than its factorization.

22255563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3602.

The product of its digits is 18000, while the sum is 30.

The square root of 22255563 is about 4717.5802059954. The cubic root of 22255563 is about 281.2847550137.

The spelling of 22255563 in words is "twenty-two million, two hundred fifty-five thousand, five hundred sixty-three".