8442934227 has 96 divisors (see below), whose sum is σ = 16029511680. Its totient is φ = 4160782080.

The previous prime is 8442934193. The next prime is 8442934237. The reversal of 8442934227 is 7224392448.

It is a happy number.

It is not a de Polignac number, because 8442934227 - 2²² = 8438739923 is a prime.

It is a super-2 number, since 2×8442934227² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (8442934237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 730548 + ... + 742014.

It is an arithmetic number, because the mean of its divisors is an integer number (166974080).

Almost surely, 2^8442934227 is an apocalyptic number.

8442934227 is a gapful number since it is divisible by the number (87) formed by its first and last digit.

8442934227 is a deficient number, since it is larger than the sum of its proper divisors (7586577453).

8442934227 is a wasteful number, since it uses less digits than its factorization.

8442934227 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11553 (or 11550 counting only the distinct ones).

The product of its digits is 774144, while the sum is 45.

The square root of 8442934227 is about 91885.4407781777. The cubic root of 8442934227 is about 2036.2501782494.

The spelling of 8442934227 in words is "eight billion, four hundred forty-two million, nine hundred thirty-four thousand, two hundred twenty-seven".