2788822 has 12 divisors (see below), whose sum is σ = 4325508. Its totient is φ = 1348500.

The previous prime is 2788817. The next prime is 2788823. The reversal of 2788822 is 2288872.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2788823) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1197 + ... + 2647.

It is an arithmetic number, because the mean of its divisors is an integer number (360459).

2^2788822 is an apocalyptic number.

2788822 is a deficient number, since it is larger than the sum of its proper divisors (1536686).

2788822 is a wasteful number, since it uses less digits than its factorization.

2788822 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1515 (or 1484 counting only the distinct ones).

The product of its digits is 28672, while the sum is 37.

The square root of 2788822 is about 1669.9766465433. The cubic root of 2788822 is about 140.7581656771.

The spelling of 2788822 in words is "two million, seven hundred eighty-eight thousand, eight hundred twenty-two".