22500163 has 12 divisors (see below), whose sum is σ = 27714312. Its totient is φ = 18150720.

The previous prime is 22500157. The next prime is 22500173. The reversal of 22500163 is 36100522.

It is a happy number.

It is not a de Polignac number, because 22500163 - 2⁵ = 22500131 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22500163.

It is not an unprimeable number, because it can be changed into a prime (22500173) 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 in 11 ways as a sum of consecutive naturals, for example, 12673 + ... + 14338.

It is an arithmetic number, because the mean of its divisors is an integer number (2309526).

Almost surely, 2^22500163 is an apocalyptic number.

22500163 is a deficient number, since it is larger than the sum of its proper divisors (5214149).

22500163 is a wasteful number, since it uses less digits than its factorization.

22500163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27042 (or 27035 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 22500163 is about 4743.4336719301. The cubic root of 22500163 is about 282.3114903910.

Adding to 22500163 its reverse (36100522), we get a palindrome (58600685).

The spelling of 22500163 in words is "twenty-two million, five hundred thousand, one hundred sixty-three".