8227899144 has 24 divisors (see below), whose sum is σ = 22283893710. Its totient is φ = 2742633024.

The previous prime is 8227899083. The next prime is 8227899149. The reversal of 8227899144 is 4419987228.

It can be written as a sum of positive squares in only one way, i.e., 7584668100 + 643231044 = 87090^2 + 25362^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is not an unprimeable number, because it can be changed into a prime (8227899149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 57138117 + ... + 57138260.

Almost surely, 2^8227899144 is an apocalyptic number.

It is an amenable number.

8227899144 is an abundant number, since it is smaller than the sum of its proper divisors (14055994566).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8227899144 is a wasteful number, since it uses less digits than its factorization.

8227899144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114276389 (or 114276382 counting only the distinct ones).

The product of its digits is 2322432, while the sum is 54.

The square root of 8227899144 is about 90707.7678261349. The cubic root of 8227899144 is about 2018.8140560159.

The spelling of 8227899144 in words is "eight billion, two hundred twenty-seven million, eight hundred ninety-nine thousand, one hundred forty-four".