22803206563 has 4 divisors (see below), whose sum is σ = 22954221328. Its totient is φ = 22652191800.

The previous prime is 22803206539. The next prime is 22803206681. The reversal of 22803206563 is 36560230822.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 22803206563 - 2¹³ = 22803198371 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22803236563) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 75507156 + ... + 75507457.

It is an arithmetic number, because the mean of its divisors is an integer number (5738555332).

Almost surely, 2^22803206563 is an apocalyptic number.

22803206563 is a deficient number, since it is larger than the sum of its proper divisors (151014765).

22803206563 is a wasteful number, since it uses less digits than its factorization.

22803206563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151014764.

The product of its (nonzero) digits is 103680, while the sum is 37.

The spelling of 22803206563 in words is "twenty-two billion, eight hundred three million, two hundred six thousand, five hundred sixty-three".