2812266288 has 120 divisors (see below), whose sum is σ = 8489946192. Its totient is φ = 863875584.

The previous prime is 2812266287. The next prime is 2812266299. The reversal of 2812266288 is 8826622182.

2812266288 is a `hidden beast` number, since 2 + 8 + 12 + 2 + 6 + 628 + 8 = 666.

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (2812266287) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1895595 + ... + 1897077.

Almost surely, 2^2812266288 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 2812266288, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4244973096).

2812266288 is an abundant number, since it is smaller than the sum of its proper divisors (5677679904).

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

2812266288 is a wasteful number, since it uses less digits than its factorization.

2812266288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2523 (or 2514 counting only the distinct ones).

The product of its digits is 294912, while the sum is 45.

The square root of 2812266288 is about 53030.8050853464. The cubic root of 2812266288 is about 1411.5149433207.

The spelling of 2812266288 in words is "two billion, eight hundred twelve million, two hundred sixty-six thousand, two hundred eighty-eight".