2205172273 has 8 divisors (see below), whose sum is σ = 2285707392. Its totient is φ = 2126037936.

The previous prime is 2205172241. The next prime is 2205172337. The reversal of 2205172273 is 3722715022.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2205172273 - 2⁵ = 2205172241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2205172373) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 346990 + ... + 353287.

It is an arithmetic number, because the mean of its divisors is an integer number (285713424).

Almost surely, 2^2205172273 is an apocalyptic number.

It is an amenable number.

2205172273 is a deficient number, since it is larger than the sum of its proper divisors (80535119).

2205172273 is an equidigital number, since it uses as much as digits as its factorization.

2205172273 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 700391.

The product of its (nonzero) digits is 11760, while the sum is 31.

The square root of 2205172273 is about 46959.2618447096. The cubic root of 2205172273 is about 1301.6098936830.

Adding to 2205172273 its reverse (3722715022), we get a palindrome (5927887295).

The spelling of 2205172273 in words is "two billion, two hundred five million, one hundred seventy-two thousand, two hundred seventy-three".