13322022221 has 2 divisors, whose sum is σ = 13322022222. Its totient is φ = 13322022220.

The previous prime is 13322022193. The next prime is 13322022277. The reversal of 13322022221 is 12222022331.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8674873321 + 4647148900 = 93139^2 + 68170^2 .

It is an emirp because it is prime and its reverse (12222022331) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13322022221 - 2⁶ = 13322022157 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13322022193 and 13322022202.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13322022421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6661011110 + 6661011111.

It is an arithmetic number, because the mean of its divisors is an integer number (6661011111).

Almost surely, 2^13322022221 is an apocalyptic number.

It is an amenable number.

13322022221 is a deficient number, since it is larger than the sum of its proper divisors (1).

13322022221 is an equidigital number, since it uses as much as digits as its factorization.

13322022221 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 13322022221 its reverse (12222022331), we get a palindrome (25544044552).

The spelling of 13322022221 in words is "thirteen billion, three hundred twenty-two million, twenty-two thousand, two hundred twenty-one".