22265540173 has 2 divisors, whose sum is σ = 22265540174. Its totient is φ = 22265540172.

The previous prime is 22265540153. The next prime is 22265540191. The reversal of 22265540173 is 37104556222.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20741184324 + 1524355849 = 144018^2 + 39043^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22265540173 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22265540113) 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, 11132770086 + 11132770087.

It is an arithmetic number, because the mean of its divisors is an integer number (11132770087).

Almost surely, 2^22265540173 is an apocalyptic number.

It is an amenable number.

22265540173 is a deficient number, since it is larger than the sum of its proper divisors (1).

22265540173 is an equidigital number, since it uses as much as digits as its factorization.

22265540173 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 100800, while the sum is 37.

The spelling of 22265540173 in words is "twenty-two billion, two hundred sixty-five million, five hundred forty thousand, one hundred seventy-three".