13532222021 has 16 divisors (see below), whose sum is σ = 14264567808. Its totient is φ = 12820777200.

The previous prime is 13532221961. The next prime is 13532222023. The reversal of 13532222021 is 12022223531.

It is a cyclic number.

It is not a de Polignac number, because 13532222021 - 2⁶ = 13532221957 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13532222023) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 318566 + ... + 358536.

It is an arithmetic number, because the mean of its divisors is an integer number (891535488).

Almost surely, 2^13532222021 is an apocalyptic number.

It is an amenable number.

13532222021 is a deficient number, since it is larger than the sum of its proper divisors (732345787).

13532222021 is a wasteful number, since it uses less digits than its factorization.

13532222021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40232.

The product of its (nonzero) digits is 1440, while the sum is 23.

Adding to 13532222021 its reverse (12022223531), we get a palindrome (25554445552).

The spelling of 13532222021 in words is "thirteen billion, five hundred thirty-two million, two hundred twenty-two thousand, twenty-one".