8549227205 has 4 divisors (see below), whose sum is σ = 10259072652. Its totient is φ = 6839381760.

The previous prime is 8549227201. The next prime is 8549227229. The reversal of 8549227205 is 5027229458.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1139805121 + 7409422084 = 33761^2 + 86078^2 .

It is not a de Polignac number, because 8549227205 - 2² = 8549227201 is a prime.

It is a super-2 number, since 2×8549227205² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8549227201) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 854922716 + ... + 854922725.

It is an arithmetic number, because the mean of its divisors is an integer number (2564768163).

Almost surely, 2^8549227205 is an apocalyptic number.

It is an amenable number.

8549227205 is a deficient number, since it is larger than the sum of its proper divisors (1709845447).

8549227205 is a wasteful number, since it uses less digits than its factorization.

8549227205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1709845446.

The product of its (nonzero) digits is 403200, while the sum is 44.

The square root of 8549227205 is about 92462.0311533334. The cubic root of 8549227205 is about 2044.7597436555.

The spelling of 8549227205 in words is "eight billion, five hundred forty-nine million, two hundred twenty-seven thousand, two hundred five".