13531440022 has 12 divisors (see below), whose sum is σ = 20317455036. Its totient is φ = 6758961020.

The previous prime is 13531439989. The next prime is 13531440053. The reversal of 13531440022 is 22004413531.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4492497 + ... + 4495507.

It is an arithmetic number, because the mean of its divisors is an integer number (1693121253).

Almost surely, 2^13531440022 is an apocalyptic number.

13531440022 is a deficient number, since it is larger than the sum of its proper divisors (6786015014).

13531440022 is an frugal number, since it uses more digits than its factorization.

13531440022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6011 (or 4512 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

Adding to 13531440022 its reverse (22004413531), we get a palindrome (35535853553).

The spelling of 13531440022 in words is "thirteen billion, five hundred thirty-one million, four hundred forty thousand, twenty-two".