22106204287 has 2 divisors, whose sum is σ = 22106204288. Its totient is φ = 22106204286.

The previous prime is 22106204279. The next prime is 22106204317. The reversal of 22106204287 is 78240260122.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22106204287 - 2³ = 22106204279 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22106204257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11053102143 + 11053102144.

It is an arithmetic number, because the mean of its divisors is an integer number (11053102144).

Almost surely, 2^22106204287 is an apocalyptic number.

22106204287 is a deficient number, since it is larger than the sum of its proper divisors (1).

22106204287 is an equidigital number, since it uses as much as digits as its factorization.

22106204287 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 21504, while the sum is 34.

The spelling of 22106204287 in words is "twenty-two billion, one hundred six million, two hundred four thousand, two hundred eighty-seven".