22844602660661 has 2 divisors, whose sum is σ = 22844602660662. Its totient is φ = 22844602660660.

The previous prime is 22844602660651. The next prime is 22844602660669. The reversal of 22844602660661 is 16606620644822.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 17190717376561 + 5653885284100 = 4146169^2 + 2377790^2 .

It is a cyclic number.

It is not a de Polignac number, because 22844602660661 - 2¹⁸ = 22844602398517 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22844602660669) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11422301330330 + 11422301330331.

It is an arithmetic number, because the mean of its divisors is an integer number (11422301330331).

Almost surely, 2^{22844602660661} is an apocalyptic number.

It is an amenable number.

22844602660661 is a deficient number, since it is larger than the sum of its proper divisors (1).

22844602660661 is an equidigital number, since it uses as much as digits as its factorization.

22844602660661 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7962624, while the sum is 53.

The spelling of 22844602660661 in words is "twenty-two trillion, eight hundred forty-four billion, six hundred two million, six hundred sixty thousand, six hundred sixty-one".