22226565773 has 2 divisors, whose sum is σ = 22226565774. Its totient is φ = 22226565772.

The previous prime is 22226565709. The next prime is 22226565793. The reversal of 22226565773 is 37756562222.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20562986404 + 1663579369 = 143398^2 + 40787^2 .

It is a cyclic number.

It is not a de Polignac number, because 22226565773 - 2⁶ = 22226565709 is a prime.

It is a super-2 number, since 2×22226565773² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22226565793) 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, 11113282886 + 11113282887.

It is an arithmetic number, because the mean of its divisors is an integer number (11113282887).

Almost surely, 2^22226565773 is an apocalyptic number.

It is an amenable number.

22226565773 is a deficient number, since it is larger than the sum of its proper divisors (1).

22226565773 is an equidigital number, since it uses as much as digits as its factorization.

22226565773 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2116800, while the sum is 47.

The spelling of 22226565773 in words is "twenty-two billion, two hundred twenty-six million, five hundred sixty-five thousand, seven hundred seventy-three".