1122032221 has 2 divisors, whose sum is σ = 1122032222. Its totient is φ = 1122032220.

The previous prime is 1122032189. The next prime is 1122032267. The reversal of 1122032221 is 1222302211.

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., 1101908025 + 20124196 = 33195^2 + 4486^2 .

It is a cyclic number.

It is not a de Polignac number, because 1122032221 - 2⁵ = 1122032189 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1122032195 and 1122032204.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1122032291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 561016110 + 561016111.

It is an arithmetic number, because the mean of its divisors is an integer number (561016111).

Almost surely, 2^1122032221 is an apocalyptic number.

It is an amenable number.

1122032221 is a deficient number, since it is larger than the sum of its proper divisors (1).

1122032221 is an equidigital number, since it uses as much as digits as its factorization.

1122032221 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 1122032221 is about 33496.7494094576. The cubic root of 1122032221 is about 1039.1265536834.

Adding to 1122032221 its reverse (1222302211), we get a palindrome (2344334432).

The spelling of 1122032221 in words is "one billion, one hundred twenty-two million, thirty-two thousand, two hundred twenty-one".