13332022221 has 8 divisors (see below), whose sum is σ = 20315462464. Its totient is φ = 7618298400.

The previous prime is 13332022199. The next prime is 13332022229. The reversal of 13332022221 is 12222023331.

It is a happy number.

13332022221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 13332022221 - 2⁵ = 13332022189 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 634858201 = 13332022221 / (1 + 3 + 3 + 3 + 2 + 0 + 2 + 2 + 2 + 2 + 1).

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13332022229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 317429080 + ... + 317429121.

It is an arithmetic number, because the mean of its divisors is an integer number (2539432808).

Almost surely, 2^13332022221 is an apocalyptic number.

It is an amenable number.

13332022221 is a deficient number, since it is larger than the sum of its proper divisors (6983440243).

13332022221 is an equidigital number, since it uses as much as digits as its factorization.

13332022221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 634858211.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 13332022221 its reverse (12222023331), we get a palindrome (25554045552).

The spelling of 13332022221 in words is "thirteen billion, three hundred thirty-two million, twenty-two thousand, two hundred twenty-one".