22000563 has 24 divisors (see below), whose sum is σ = 35026992. Its totient is φ = 13220928.

The previous prime is 22000553. The next prime is 22000579. The reversal of 22000563 is 36500022.

It is not a de Polignac number, because 22000563 - 2¹⁰ = 21999539 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22000513) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2845 + ... + 7217.

It is an arithmetic number, because the mean of its divisors is an integer number (1459458).

Almost surely, 2^22000563 is an apocalyptic number.

22000563 is a deficient number, since it is larger than the sum of its proper divisors (13026429).

22000563 is a wasteful number, since it uses less digits than its factorization.

22000563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4435 (or 4432 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 22000563 is about 4690.4757754411. The cubic root of 22000563 is about 280.2063232696.

Adding to 22000563 its reverse (36500022), we get a palindrome (58500585).

The spelling of 22000563 in words is "twenty-two million, five hundred sixty-three", and thus it is an aban number.