10444224221 has 2 divisors, whose sum is σ = 10444224222. Its totient is φ = 10444224220.

The previous prime is 10444224211. The next prime is 10444224233. The reversal of 10444224221 is 12242244401.

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., 8217422500 + 2226801721 = 90650^2 + 47189^2 .

It is a cyclic number.

It is not a de Polignac number, because 10444224221 - 2⁶ = 10444224157 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10444224211) 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, 5222112110 + 5222112111.

It is an arithmetic number, because the mean of its divisors is an integer number (5222112111).

Almost surely, 2^10444224221 is an apocalyptic number.

It is an amenable number.

10444224221 is a deficient number, since it is larger than the sum of its proper divisors (1).

10444224221 is an equidigital number, since it uses as much as digits as its factorization.

10444224221 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4096, while the sum is 26.

Adding to 10444224221 its reverse (12242244401), we get a palindrome (22686468622).

The spelling of 10444224221 in words is "ten billion, four hundred forty-four million, two hundred twenty-four thousand, two hundred twenty-one".