2812288 has 32 divisors (see below), whose sum is σ = 5679360. Its totient is φ = 1387008.

The previous prime is 2812267. The next prime is 2812291. The reversal of 2812288 is 8822182.

It is a tau number, because it is divible by the number of its divisors (32).

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16170 + ... + 16342.

It is an arithmetic number, because the mean of its divisors is an integer number (177480).

2^2812288 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 2812288, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2839680).

2812288 is an abundant number, since it is smaller than the sum of its proper divisors (2867072).

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

2812288 is a wasteful number, since it uses less digits than its factorization.

2812288 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 314 (or 302 counting only the distinct ones).

The product of its digits is 4096, while the sum is 31.

The square root of 2812288 is about 1676.9877757455. The cubic root of 2812288 is about 141.1518575828.

The spelling of 2812288 in words is "two million, eight hundred twelve thousand, two hundred eighty-eight".