2666227284 has 144 divisors (see below), whose sum is σ = 7906743936. Its totient is φ = 741830400.

The previous prime is 2666227243. The next prime is 2666227337. The reversal of 2666227284 is 4827226662.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1643994 + ... + 1645614.

It is an arithmetic number, because the mean of its divisors is an integer number (54907944).

Almost surely, 2^2666227284 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 2666227284, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3953371968).

2666227284 is an abundant number, since it is smaller than the sum of its proper divisors (5240516652).

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

2666227284 is a wasteful number, since it uses less digits than its factorization.

2666227284 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1806 (or 1801 counting only the distinct ones).

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

The square root of 2666227284 is about 51635.5234697974. The cubic root of 2666227284 is about 1386.6463817864.

The spelling of 2666227284 in words is "two billion, six hundred sixty-six million, two hundred twenty-seven thousand, two hundred eighty-four".