8886021444 has 36 divisors (see below), whose sum is σ = 22466365740. Its totient is φ = 2961416640.

The previous prime is 8886021373. The next prime is 8886021449. The reversal of 8886021444 is 4441206888.

It can be written as a sum of positive squares in 2 ways, for example, as 1498618944 + 7387402500 = 38712^2 + 85950^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×8886021444² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 8886021444.

It is not an unprimeable number, because it can be changed into a prime (8886021449) 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, 182314 + ... + 225854.

It is an arithmetic number, because the mean of its divisors is an integer number (624065715).

Almost surely, 2^8886021444 is an apocalyptic number.

It is an amenable number.

8886021444 is an abundant number, since it is smaller than the sum of its proper divisors (13580344296).

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

8886021444 is a wasteful number, since it uses less digits than its factorization.

8886021444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49220 (or 49215 counting only the distinct ones).

The product of its (nonzero) digits is 393216, while the sum is 45.

The square root of 8886021444 is about 94265.6960086754. The cubic root of 8886021444 is about 2071.2655678974.

The spelling of 8886021444 in words is "eight billion, eight hundred eighty-six million, twenty-one thousand, four hundred forty-four".