13222320040057 has 4 divisors (see below), whose sum is σ = 13446427159440. Its totient is φ = 12998212920676.

The previous prime is 13222320040051. The next prime is 13222320040099. The reversal of 13222320040057 is 75004002322231.

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 13222320040057 - 2²³ = 13222311651449 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13222320040051) 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, 112053559603 + ... + 112053559720.

It is an arithmetic number, because the mean of its divisors is an integer number (3361606789860).

Almost surely, 2^{13222320040057} is an apocalyptic number.

It is an amenable number.

13222320040057 is a deficient number, since it is larger than the sum of its proper divisors (224107119383).

13222320040057 is an equidigital number, since it uses as much as digits as its factorization.

13222320040057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224107119382.

The product of its (nonzero) digits is 20160, while the sum is 31.

Adding to 13222320040057 its reverse (75004002322231), we get a palindrome (88226322362288).

The spelling of 13222320040057 in words is "thirteen trillion, two hundred twenty-two billion, three hundred twenty million, forty thousand, fifty-seven".