22422240444161 has 2 divisors, whose sum is σ = 22422240444162. Its totient is φ = 22422240444160.

The previous prime is 22422240444143. The next prime is 22422240444209. The reversal of 22422240444161 is 16144404222422.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22330397505025 + 91842939136 = 4725505^2 + 303056^2 .

It is a cyclic number.

It is not a de Polignac number, because 22422240444161 - 2¹⁰ = 22422240443137 is a prime.

It is not a weakly prime, because it can be changed into another prime (22422240444761) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11211120222080 + 11211120222081.

It is an arithmetic number, because the mean of its divisors is an integer number (11211120222081).

Almost surely, 2^{22422240444161} is an apocalyptic number.

It is an amenable number.

22422240444161 is a deficient number, since it is larger than the sum of its proper divisors (1).

22422240444161 is an equidigital number, since it uses as much as digits as its factorization.

22422240444161 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 196608, while the sum is 38.

Adding to 22422240444161 its reverse (16144404222422), we get a palindrome (38566644666583).

The spelling of 22422240444161 in words is "twenty-two trillion, four hundred twenty-two billion, two hundred forty million, four hundred forty-four thousand, one hundred sixty-one".