2822500 has 30 divisors (see below), whose sum is σ = 6177710. Its totient is φ = 1128000.

The previous prime is 2822473. The next prime is 2822503. The reversal of 2822500 is 52282.

It can be written as a sum of positive squares in 5 ways, for example, as 1790244 + 1032256 = 1338^2 + 1016^2 .

It is not an unprimeable number, because it can be changed into a prime (2822503) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 1936 + ... + 3064.

2^2822500 is an apocalyptic number.

2822500 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2822500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3088855).

2822500 is an abundant number, since it is smaller than the sum of its proper divisors (3355210).

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

2822500 is a wasteful number, since it uses less digits than its factorization.

2822500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1153 (or 1136 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 2822500 is about 1680.0297616411. The cubic root of 2822500 is about 141.3225017410.

Adding to 2822500 its reverse (52282), we get a palindrome (2874782).

The spelling of 2822500 in words is "two million, eight hundred twenty-two thousand, five hundred".