22106286857 has 2 divisors, whose sum is σ = 22106286858. Its totient is φ = 22106286856.

The previous prime is 22106286823. The next prime is 22106286859. The reversal of 22106286857 is 75868260122.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 18877660816 + 3228626041 = 137396^2 + 56821^2 .

It is a cyclic number.

It is not a de Polignac number, because 22106286857 - 2¹² = 22106282761 is a prime.

Together with 22106286859, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (22106286859) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11053143428 + 11053143429.

It is an arithmetic number, because the mean of its divisors is an integer number (11053143429).

Almost surely, 2^22106286857 is an apocalyptic number.

It is an amenable number.

22106286857 is a deficient number, since it is larger than the sum of its proper divisors (1).

22106286857 is an equidigital number, since it uses as much as digits as its factorization.

22106286857 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 645120, while the sum is 47.

The spelling of 22106286857 in words is "twenty-two billion, one hundred six million, two hundred eighty-six thousand, eight hundred fifty-seven".