22000444044409 has 2 divisors, whose sum is σ = 22000444044410. Its totient is φ = 22000444044408.

The previous prime is 22000444044353. The next prime is 22000444044493. The reversal of 22000444044409 is 90444044400022.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19809665148025 + 2190778896384 = 4450805^2 + 1480128^2 .

It is a cyclic number.

It is not a de Polignac number, because 22000444044409 - 2¹¹ = 22000444042361 is a prime.

It is not a weakly prime, because it can be changed into another prime (22000444041409) 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, 11000222022204 + 11000222022205.

It is an arithmetic number, because the mean of its divisors is an integer number (11000222022205).

Almost surely, 2^{22000444044409} is an apocalyptic number.

It is an amenable number.

22000444044409 is a deficient number, since it is larger than the sum of its proper divisors (1).

22000444044409 is an equidigital number, since it uses as much as digits as its factorization.

22000444044409 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 147456, while the sum is 37.

The spelling of 22000444044409 in words is "twenty-two trillion, four hundred forty-four million, forty-four thousand, four hundred nine".