2203171145 has 8 divisors (see below), whose sum is σ = 3021491904. Its totient is φ = 1510745904.

The previous prime is 2203171129. The next prime is 2203171169. The reversal of 2203171145 is 5411713022.

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 2203171145 - 2⁴ = 2203171129 is a prime.

It is a super-2 number, since 2×2203171145² = 9707926188321222050, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31473839 + ... + 31473908.

It is an arithmetic number, because the mean of its divisors is an integer number (377686488).

Almost surely, 2^2203171145 is an apocalyptic number.

It is an amenable number.

2203171145 is a deficient number, since it is larger than the sum of its proper divisors (818320759).

2203171145 is an equidigital number, since it uses as much as digits as its factorization.

2203171145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62947759.

The product of its (nonzero) digits is 1680, while the sum is 26.

The square root of 2203171145 is about 46937.9499445811. The cubic root of 2203171145 is about 1301.2160504861.

Adding to 2203171145 its reverse (5411713022), we get a palindrome (7614884167).

The spelling of 2203171145 in words is "two billion, two hundred three million, one hundred seventy-one thousand, one hundred forty-five".