8227444440 has 128 divisors (see below), whose sum is σ = 26187779520. Its totient is φ = 2060697600.

The previous prime is 8227444439. The next prime is 8227444481. The reversal of 8227444440 is 444447228.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1058970 + ... + 1066710.

Almost surely, 2^8227444440 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8227444440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13093889760).

8227444440 is an abundant number, since it is smaller than the sum of its proper divisors (17960335080).

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

8227444440 is a wasteful number, since it uses less digits than its factorization.

8227444440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8293 (or 8289 counting only the distinct ones).

The product of its (nonzero) digits is 229376, while the sum is 39.

The square root of 8227444440 is about 90705.2613688974. The cubic root of 8227444440 is about 2018.7768662983.

The spelling of 8227444440 in words is "eight billion, two hundred twenty-seven million, four hundred forty-four thousand, four hundred forty".