22209045757 has 2 divisors, whose sum is σ = 22209045758. Its totient is φ = 22209045756.

The previous prime is 22209045743. The next prime is 22209045779. The reversal of 22209045757 is 75754090222.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21599005156 + 610040601 = 146966^2 + 24699^2 .

It is a cyclic number.

It is not a de Polignac number, because 22209045757 - 2²⁷ = 22074828029 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22209046757) 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, 11104522878 + 11104522879.

It is an arithmetic number, because the mean of its divisors is an integer number (11104522879).

Almost surely, 2^22209045757 is an apocalyptic number.

It is an amenable number.

22209045757 is a deficient number, since it is larger than the sum of its proper divisors (1).

22209045757 is an equidigital number, since it uses as much as digits as its factorization.

22209045757 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 352800, while the sum is 43.

The spelling of 22209045757 in words is "twenty-two billion, two hundred nine million, forty-five thousand, seven hundred fifty-seven".