2271500223 has 4 divisors (see below), whose sum is σ = 3028666968. Its totient is φ = 1514333480.

The previous prime is 2271500221. The next prime is 2271500279. The reversal of 2271500223 is 3220051722.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2271500223 - 2¹ = 2271500221 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2271500193 and 2271500202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2271500221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 378583368 + ... + 378583373.

It is an arithmetic number, because the mean of its divisors is an integer number (757166742).

Almost surely, 2^2271500223 is an apocalyptic number.

2271500223 is a deficient number, since it is larger than the sum of its proper divisors (757166745).

2271500223 is an equidigital number, since it uses as much as digits as its factorization.

2271500223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 757166744.

The product of its (nonzero) digits is 1680, while the sum is 24.

The square root of 2271500223 is about 47660.2583186453. The cubic root of 2271500223 is about 1314.5312893401.

Adding to 2271500223 its reverse (3220051722), we get a palindrome (5491551945).

The spelling of 2271500223 in words is "two billion, two hundred seventy-one million, five hundred thousand, two hundred twenty-three".