22343980861 has 2 divisors, whose sum is σ = 22343980862. Its totient is φ = 22343980860.

The previous prime is 22343980853. The next prime is 22343980877. The reversal of 22343980861 is 16808934322.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22102768900 + 241211961 = 148670^2 + 15531^2 .

It is a cyclic number.

It is not a de Polignac number, because 22343980861 - 2³ = 22343980853 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22343980891) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11171990430 + 11171990431.

It is an arithmetic number, because the mean of its divisors is an integer number (11171990431).

Almost surely, 2^22343980861 is an apocalyptic number.

It is an amenable number.

22343980861 is a deficient number, since it is larger than the sum of its proper divisors (1).

22343980861 is an equidigital number, since it uses as much as digits as its factorization.

22343980861 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 497664, while the sum is 46.

The spelling of 22343980861 in words is "twenty-two billion, three hundred forty-three million, nine hundred eighty thousand, eight hundred sixty-one".