122622443666461 has 2 divisors, whose sum is σ = 122622443666462. Its totient is φ = 122622443666460.

The previous prime is 122622443666449. The next prime is 122622443666561. The reversal of 122622443666461 is 164666344226221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 122274520643961 + 347923022500 = 11057781^2 + 589850^2 .

It is an emirp because it is prime and its reverse (164666344226221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 122622443666461 - 2²⁷ = 122622309448733 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122622443666561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61311221833230 + 61311221833231.

It is an arithmetic number, because the mean of its divisors is an integer number (61311221833231).

Almost surely, 2^{122622443666461} is an apocalyptic number.

It is an amenable number.

122622443666461 is a deficient number, since it is larger than the sum of its proper divisors (1).

122622443666461 is an equidigital number, since it uses as much as digits as its factorization.

122622443666461 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 23887872, while the sum is 55.

The spelling of 122622443666461 in words is "one hundred twenty-two trillion, six hundred twenty-two billion, four hundred forty-three million, six hundred sixty-six thousand, four hundred sixty-one".