13022122044 has 12 divisors (see below), whose sum is σ = 30384951464. Its totient is φ = 4340707344.

The previous prime is 13022122031. The next prime is 13022122049. The reversal of 13022122044 is 44022122031.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 13022122044.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13022122049) 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, 542588407 + ... + 542588430.

Almost surely, 2^13022122044 is an apocalyptic number.

It is an amenable number.

13022122044 is an abundant number, since it is smaller than the sum of its proper divisors (17362829420).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13022122044 is a wasteful number, since it uses less digits than its factorization.

13022122044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1085176844 (or 1085176842 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 13022122044 its reverse (44022122031), we get a palindrome (57044244075).

The spelling of 13022122044 in words is "thirteen billion, twenty-two million, one hundred twenty-two thousand, forty-four".