2225500007173 has 4 divisors (see below), whose sum is σ = 2225502990988. Its totient is φ = 2225497023360.

The previous prime is 2225500007123. The next prime is 2225500007179. The reversal of 2225500007173 is 3717000055222.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 1875932904609 + 349567102564 = 1369647^2 + 591242^2 .

It is a cyclic number.

It is not a de Polignac number, because 2225500007173 - 2¹⁷ = 2225499876101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2225500007179) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 720565 + ... + 2229397.

It is an arithmetic number, because the mean of its divisors is an integer number (556375747747).

Almost surely, 2^{2225500007173} is an apocalyptic number.

It is an amenable number.

2225500007173 is a deficient number, since it is larger than the sum of its proper divisors (2983815).

2225500007173 is a wasteful number, since it uses less digits than its factorization.

2225500007173 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2983814.

The product of its (nonzero) digits is 29400, while the sum is 34.

The spelling of 2225500007173 in words is "two trillion, two hundred twenty-five billion, five hundred million, seven thousand, one hundred seventy-three".