22756691273 has 2 divisors, whose sum is σ = 22756691274. Its totient is φ = 22756691272.

The previous prime is 22756691227. The next prime is 22756691323. The reversal of 22756691273 is 37219665722.

It is an a-pointer prime, because the next prime (22756691323) can be obtained adding 22756691273 to its sum of digits (50).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22748783929 + 7907344 = 150827^2 + 2812^2 .

It is a cyclic number.

It is not a de Polignac number, because 22756691273 - 2¹⁰ = 22756690249 is a prime.

It is not a weakly prime, because it can be changed into another prime (22756691173) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11378345636 + 11378345637.

It is an arithmetic number, because the mean of its divisors is an integer number (11378345637).

Almost surely, 2^22756691273 is an apocalyptic number.

It is an amenable number.

22756691273 is a deficient number, since it is larger than the sum of its proper divisors (1).

22756691273 is an equidigital number, since it uses as much as digits as its factorization.

22756691273 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1905120, while the sum is 50.

The spelling of 22756691273 in words is "twenty-two billion, seven hundred fifty-six million, six hundred ninety-one thousand, two hundred seventy-three".