2866223888 has 80 divisors (see below), whose sum is σ = 6231297600. Its totient is φ = 1266071040.

The previous prime is 2866223881. The next prime is 2866223933. The reversal of 2866223888 is 8883226682.

It is a super-2 number, since 2×2866223888² = 16430478752283673088, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (53).

It is not an unprimeable number, because it can be changed into a prime (2866223881) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1015343 + ... + 1018161.

It is an arithmetic number, because the mean of its divisors is an integer number (77891220).

Almost surely, 2^2866223888 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 2866223888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3115648800).

2866223888 is an abundant number, since it is smaller than the sum of its proper divisors (3365073712).

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

2866223888 is a wasteful number, since it uses less digits than its factorization.

2866223888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3000 (or 2994 counting only the distinct ones).

The product of its digits is 3538944, while the sum is 53.

The square root of 2866223888 is about 53537.1262583266. The cubic root of 2866223888 is about 1420.4851691345.

The spelling of 2866223888 in words is "two billion, eight hundred sixty-six million, two hundred twenty-three thousand, eight hundred eighty-eight".