13222505513 has 4 divisors (see below), whose sum is σ = 15111434880. Its totient is φ = 11333576148.

The previous prime is 13222505467. The next prime is 13222505537. The reversal of 13222505513 is 31550522231.

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, and also an emirpimes, since its reverse is a distinct semiprime: 31550522231 = 619 ⋅50970149.

It is a cyclic number.

It is not a de Polignac number, because 13222505513 - 2¹⁶ = 13222439977 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (13222505563) 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, 944464673 + ... + 944464686.

It is an arithmetic number, because the mean of its divisors is an integer number (3777858720).

Almost surely, 2^13222505513 is an apocalyptic number.

It is an amenable number.

13222505513 is a deficient number, since it is larger than the sum of its proper divisors (1888929367).

13222505513 is an equidigital number, since it uses as much as digits as its factorization.

13222505513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1888929366.

The product of its (nonzero) digits is 9000, while the sum is 29.

The spelling of 13222505513 in words is "thirteen billion, two hundred twenty-two million, five hundred five thousand, five hundred thirteen".