44221422409 has 2 divisors, whose sum is σ = 44221422410. Its totient is φ = 44221422408.

The previous prime is 44221422367. The next prime is 44221422437. The reversal of 44221422409 is 90422412244.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 43682254009 + 539168400 = 209003^2 + 23220^2 .

It is a cyclic number.

It is not a de Polignac number, because 44221422409 - 2¹³ = 44221414217 is a prime.

It is not a weakly prime, because it can be changed into another prime (44221422109) 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, 22110711204 + 22110711205.

It is an arithmetic number, because the mean of its divisors is an integer number (22110711205).

Almost surely, 2^44221422409 is an apocalyptic number.

It is an amenable number.

44221422409 is a deficient number, since it is larger than the sum of its proper divisors (1).

44221422409 is an equidigital number, since it uses as much as digits as its factorization.

44221422409 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36864, while the sum is 34.

The spelling of 44221422409 in words is "forty-four billion, two hundred twenty-one million, four hundred twenty-two thousand, four hundred nine".