22504245047 has 4 divisors (see below), whose sum is σ = 22504774656. Its totient is φ = 22503715440.

The previous prime is 22504245011. The next prime is 22504245053. The reversal of 22504245047 is 74054240522.

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 22504245047 - 2¹⁰ = 22504244023 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22504244998 and 22504245016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22504245347) 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, 194918 + ... + 288099.

It is an arithmetic number, because the mean of its divisors is an integer number (5626193664).

Almost surely, 2^22504245047 is an apocalyptic number.

22504245047 is a deficient number, since it is larger than the sum of its proper divisors (529609).

22504245047 is an equidigital number, since it uses as much as digits as its factorization.

22504245047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 529608.

The product of its (nonzero) digits is 89600, while the sum is 35.

Adding to 22504245047 its reverse (74054240522), we get a palindrome (96558485569).

The spelling of 22504245047 in words is "twenty-two billion, five hundred four million, two hundred forty-five thousand, forty-seven".