1322302221 has 12 divisors (see below), whose sum is σ = 1910386972. Its totient is φ = 881352576.

The previous prime is 1322302127. The next prime is 1322302243. The reversal of 1322302221 is 1222032231.

It can be written as a sum of positive squares in 2 ways, for example, as 946485225 + 375816996 = 30765^2 + 19386^2 .

It is not a de Polignac number, because 1322302221 - 2⁹ = 1322301709 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1322302194 and 1322302203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1322302271) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 42165 + ... + 66501.

Almost surely, 2^1322302221 is an apocalyptic number.

It is an amenable number.

1322302221 is a deficient number, since it is larger than the sum of its proper divisors (588084751).

1322302221 is a wasteful number, since it uses less digits than its factorization.

1322302221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30380 (or 30377 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 1322302221 is about 36363.4737202045. The cubic root of 1322302221 is about 1097.5986793172.

Adding to 1322302221 its reverse (1222032231), we get a palindrome (2544334452).

The spelling of 1322302221 in words is "one billion, three hundred twenty-two million, three hundred two thousand, two hundred twenty-one".