22050838661 has 2 divisors, whose sum is σ = 22050838662. Its totient is φ = 22050838660.

The previous prime is 22050838651. The next prime is 22050838709. The reversal of 22050838661 is 16683805022.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19833370561 + 2217468100 = 140831^2 + 47090^2 .

It is a cyclic number.

It is not a de Polignac number, because 22050838661 - 2³⁰ = 20977096837 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22050838631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11025419330 + 11025419331.

It is an arithmetic number, because the mean of its divisors is an integer number (11025419331).

Almost surely, 2^22050838661 is an apocalyptic number.

It is an amenable number.

22050838661 is a deficient number, since it is larger than the sum of its proper divisors (1).

22050838661 is an equidigital number, since it uses as much as digits as its factorization.

22050838661 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 138240, while the sum is 41.

The spelling of 22050838661 in words is "twenty-two billion, fifty million, eight hundred thirty-eight thousand, six hundred sixty-one".