22816849919 has 4 divisors (see below), whose sum is σ = 23808886896. Its totient is φ = 21824812944.

The previous prime is 22816849907. The next prime is 22816849949. The reversal of 22816849919 is 91994861822.

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 22816849919 - 2²⁰ = 22815801343 is a prime.

It is a super-2 number, since 2×22816849919² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22816849949) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 496018454 + ... + 496018499.

It is an arithmetic number, because the mean of its divisors is an integer number (5952221724).

Almost surely, 2^22816849919 is an apocalyptic number.

22816849919 is a deficient number, since it is larger than the sum of its proper divisors (992036977).

22816849919 is an equidigital number, since it uses as much as digits as its factorization.

22816849919 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 992036976.

The product of its digits is 4478976, while the sum is 59.

The spelling of 22816849919 in words is "twenty-two billion, eight hundred sixteen million, eight hundred forty-nine thousand, nine hundred nineteen".