13222631540541 has 4 divisors (see below), whose sum is σ = 17630175387392. Its totient is φ = 8815087693692.

The previous prime is 13222631540519. The next prime is 13222631540549. The reversal of 13222631540541 is 14504513622231.

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 not a de Polignac number, because 13222631540541 - 2⁷ = 13222631540413 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13222631540541.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13222631540549) 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, 2203771923421 + ... + 2203771923426.

It is an arithmetic number, because the mean of its divisors is an integer number (4407543846848).

Almost surely, 2^{13222631540541} is an apocalyptic number.

It is an amenable number.

13222631540541 is a deficient number, since it is larger than the sum of its proper divisors (4407543846851).

13222631540541 is an equidigital number, since it uses as much as digits as its factorization.

13222631540541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4407543846850.

The product of its (nonzero) digits is 172800, while the sum is 39.

The spelling of 13222631540541 in words is "thirteen trillion, two hundred twenty-two billion, six hundred thirty-one million, five hundred forty thousand, five hundred forty-one".