22756434773 has 2 divisors, whose sum is σ = 22756434774. Its totient is φ = 22756434772.

The previous prime is 22756434769. The next prime is 22756434817. The reversal of 22756434773 is 37743465722.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14718057124 + 8038377649 = 121318^2 + 89657^2 .

It is a cyclic number.

It is not a de Polignac number, because 22756434773 - 2² = 22756434769 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22756434373) 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, 11378217386 + 11378217387.

It is an arithmetic number, because the mean of its divisors is an integer number (11378217387).

Almost surely, 2^22756434773 is an apocalyptic number.

It is an amenable number.

22756434773 is a deficient number, since it is larger than the sum of its proper divisors (1).

22756434773 is an equidigital number, since it uses as much as digits as its factorization.

22756434773 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5927040, while the sum is 50.

The spelling of 22756434773 in words is "twenty-two billion, seven hundred fifty-six million, four hundred thirty-four thousand, seven hundred seventy-three".