22505110305013 has 4 divisors (see below), whose sum is σ = 25720126062880. Its totient is φ = 19290094547148.

The previous prime is 22505110305011. The next prime is 22505110305023. The reversal of 22505110305013 is 31050301150522.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 22505110305013 - 2¹ = 22505110305011 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22505110305011) 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, 1607507878923 + ... + 1607507878936.

It is an arithmetic number, because the mean of its divisors is an integer number (6430031515720).

Almost surely, 2^{22505110305013} is an apocalyptic number.

It is an amenable number.

22505110305013 is a deficient number, since it is larger than the sum of its proper divisors (3215015757867).

22505110305013 is an equidigital number, since it uses as much as digits as its factorization.

22505110305013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3215015757866.

The product of its (nonzero) digits is 4500, while the sum is 28.

Adding to 22505110305013 its reverse (31050301150522), we get a palindrome (53555411455535).

The spelling of 22505110305013 in words is "twenty-two trillion, five hundred five billion, one hundred ten million, three hundred five thousand, thirteen".