8180227 has 4 divisors (see below), whose sum is σ = 8923896. Its totient is φ = 7436560.

The previous prime is 8180201. The next prime is 8180239. The reversal of 8180227 is 7220818.

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 8180227 - 2⁷ = 8180099 is a prime.

It is a super-2 number, since 2×8180227² = 133832227543058, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 8180195 and 8180204.

It is not an unprimeable number, because it can be changed into a prime (8180027) 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 3 ways as a sum of consecutive naturals, for example, 371818 + ... + 371839.

It is an arithmetic number, because the mean of its divisors is an integer number (2230974).

Almost surely, 2^8180227 is an apocalyptic number.

8180227 is a deficient number, since it is larger than the sum of its proper divisors (743669).

8180227 is a wasteful number, since it uses less digits than its factorization.

8180227 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 743668.

The product of its (nonzero) digits is 1792, while the sum is 28.

The square root of 8180227 is about 2860.1096132841. The cubic root of 8180227 is about 201.4907523459.

It can be divided in two parts, 81 and 80227, that added together give a palindrome (80308).

The spelling of 8180227 in words is "eight million, one hundred eighty thousand, two hundred twenty-seven".