22503872869 has 4 divisors (see below), whose sum is σ = 22508417644. Its totient is φ = 22499328096.

The previous prime is 22503872861. The next prime is 22503872891. The reversal of 22503872869 is 96827830522.

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

It can be written as a sum of positive squares in 2 ways, for example, as 16013637025 + 6490235844 = 126545^2 + 80562^2 .

It is a cyclic number.

It is not a de Polignac number, because 22503872869 - 2³ = 22503872861 is a prime.

It is a super-2 number, since 2×22503872869² (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 (22503872861) 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, 2264952 + ... + 2274865.

It is an arithmetic number, because the mean of its divisors is an integer number (5627104411).

Almost surely, 2^22503872869 is an apocalyptic number.

It is an amenable number.

22503872869 is a deficient number, since it is larger than the sum of its proper divisors (4544775).

22503872869 is an equidigital number, since it uses as much as digits as its factorization.

22503872869 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4544774.

The product of its (nonzero) digits is 2903040, while the sum is 52.

The spelling of 22503872869 in words is "twenty-two billion, five hundred three million, eight hundred seventy-two thousand, eight hundred sixty-nine".