44012222004221 has 2 divisors, whose sum is σ = 44012222004222. Its totient is φ = 44012222004220.

The previous prime is 44012222004167. The next prime is 44012222004229. The reversal of 44012222004221 is 12240022221044.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 36706088688025 + 7306133316196 = 6058555^2 + 2702986^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-44012222004221 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (44012222004229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22006111002110 + 22006111002111.

It is an arithmetic number, because the mean of its divisors is an integer number (22006111002111).

Almost surely, 2^{44012222004221} is an apocalyptic number.

It is an amenable number.

44012222004221 is a deficient number, since it is larger than the sum of its proper divisors (1).

44012222004221 is an equidigital number, since it uses as much as digits as its factorization.

44012222004221 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 44012222004221 its reverse (12240022221044), we get a palindrome (56252244225265).

The spelling of 44012222004221 in words is "forty-four trillion, twelve billion, two hundred twenty-two million, four thousand, two hundred twenty-one".