2223512173709 has 4 divisors (see below), whose sum is σ = 2340539130240. Its totient is φ = 2106485217180.

The previous prime is 2223512173679. The next prime is 2223512173721. The reversal of 2223512173709 is 9073712153222.

2223512173709 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2223512173709 - 2⁸ = 2223512173453 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2223512173709.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2223512173769) 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, 58513478237 + ... + 58513478274.

It is an arithmetic number, because the mean of its divisors is an integer number (585134782560).

Almost surely, 2^{2223512173709} is an apocalyptic number.

It is an amenable number.

2223512173709 is a deficient number, since it is larger than the sum of its proper divisors (117026956531).

2223512173709 is a wasteful number, since it uses less digits than its factorization.

2223512173709 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117026956530.

The product of its (nonzero) digits is 317520, while the sum is 44.

The spelling of 2223512173709 in words is "two trillion, two hundred twenty-three billion, five hundred twelve million, one hundred seventy-three thousand, seven hundred nine".