11422433221 has 2 divisors, whose sum is σ = 11422433222. Its totient is φ = 11422433220.

The previous prime is 11422433201. The next prime is 11422433227. The reversal of 11422433221 is 12233422411.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9465344100 + 1957089121 = 97290^2 + 44239^2 .

It is a cyclic number.

It is not a de Polignac number, because 11422433221 - 2⁵ = 11422433189 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11422433227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5711216610 + 5711216611.

It is an arithmetic number, because the mean of its divisors is an integer number (5711216611).

Almost surely, 2^11422433221 is an apocalyptic number.

It is an amenable number.

11422433221 is a deficient number, since it is larger than the sum of its proper divisors (1).

11422433221 is an equidigital number, since it uses as much as digits as its factorization.

11422433221 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2304, while the sum is 25.

Adding to 11422433221 its reverse (12233422411), we get a palindrome (23655855632).

The spelling of 11422433221 in words is "eleven billion, four hundred twenty-two million, four hundred thirty-three thousand, two hundred twenty-one".