2205172803 has 8 divisors (see below), whose sum is σ = 2941804368. Its totient is φ = 1469328224.

The previous prime is 2205172793. The next prime is 2205172807. The reversal of 2205172803 is 3082715022.

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 2205172803 - 2¹⁴ = 2205156419 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2205172807) 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, 190176 + ... + 201437.

It is an arithmetic number, because the mean of its divisors is an integer number (367725546).

Almost surely, 2^2205172803 is an apocalyptic number.

2205172803 is a deficient number, since it is larger than the sum of its proper divisors (736631565).

2205172803 is a wasteful number, since it uses less digits than its factorization.

2205172803 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 393493.

The product of its (nonzero) digits is 6720, while the sum is 30.

The square root of 2205172803 is about 46959.2674878985. The cubic root of 2205172803 is about 1301.6099979610.

Adding to 2205172803 its reverse (3082715022), we get a palindrome (5287887825).

The spelling of 2205172803 in words is "two billion, two hundred five million, one hundred seventy-two thousand, eight hundred three".