8434121227 has 12 divisors (see below), whose sum is σ = 9826182576. Its totient is φ = 7218148560.

The previous prime is 8434121219. The next prime is 8434121249. The reversal of 8434121227 is 7221214348.

It is not a de Polignac number, because 8434121227 - 2³ = 8434121219 is a prime.

It is a super-2 number, since 2×8434121227² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 8434121192 and 8434121201.

It is not an unprimeable number, because it can be changed into a prime (8434121257) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 99799 + ... + 163792.

It is an arithmetic number, because the mean of its divisors is an integer number (818848548).

Almost surely, 2^8434121227 is an apocalyptic number.

8434121227 is a deficient number, since it is larger than the sum of its proper divisors (1392061349).

8434121227 is a wasteful number, since it uses less digits than its factorization.

8434121227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 264258 (or 264251 counting only the distinct ones).

The product of its digits is 21504, while the sum is 34.

The square root of 8434121227 is about 91837.4718020918. The cubic root of 8434121227 is about 2035.5414309515.

It can be divided in two parts, 8434121 and 227, that added together give a palindrome (8434348).

The spelling of 8434121227 in words is "eight billion, four hundred thirty-four million, one hundred twenty-one thousand, two hundred twenty-seven".