13022000221 has 4 divisors (see below), whose sum is σ = 13788000252. Its totient is φ = 12256000192.

The previous prime is 13022000219. The next prime is 13022000237. The reversal of 13022000221 is 12200022031.

13022000221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 12200022031 = 97 ⋅125773423.

It can be written as a sum of positive squares in 2 ways, for example, as 10596437721 + 2425562500 = 102939^2 + 49250^2 .

It is a cyclic number.

It is not a de Polignac number, because 13022000221 - 2¹ = 13022000219 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 (13022000281) 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 3 ways as a sum of consecutive naturals, for example, 382999990 + ... + 383000023.

It is an arithmetic number, because the mean of its divisors is an integer number (3447000063).

Almost surely, 2^13022000221 is an apocalyptic number.

It is an amenable number.

13022000221 is a deficient number, since it is larger than the sum of its proper divisors (766000031).

13022000221 is an equidigital number, since it uses as much as digits as its factorization.

13022000221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 766000030.

The product of its (nonzero) digits is 48, while the sum is 13.

Adding to 13022000221 its reverse (12200022031), we get a palindrome (25222022252).

The spelling of 13022000221 in words is "thirteen billion, twenty-two million, two hundred twenty-one", and thus it is an aban number.