13522004421 has 16 divisors (see below), whose sum is σ = 18628477440. Its totient is φ = 8715648960.

The previous prime is 13522004413. The next prime is 13522004443. The reversal of 13522004421 is 12440022531.

It is not a de Polignac number, because 13522004421 - 2³ = 13522004413 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13522004391 and 13522004400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13522004471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31411 + ... + 167423.

It is an arithmetic number, because the mean of its divisors is an integer number (1164279840).

Almost surely, 2^13522004421 is an apocalyptic number.

It is an amenable number.

13522004421 is a deficient number, since it is larger than the sum of its proper divisors (5106473019).

13522004421 is a wasteful number, since it uses less digits than its factorization.

13522004421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137116.

The product of its (nonzero) digits is 1920, while the sum is 24.

Adding to 13522004421 its reverse (12440022531), we get a palindrome (25962026952).

The spelling of 13522004421 in words is "thirteen billion, five hundred twenty-two million, four thousand, four hundred twenty-one".