2822580 has 48 divisors (see below), whose sum is σ = 8783040. Its totient is φ = 752544.

The previous prime is 2822579. The next prime is 2822587. The reversal of 2822580 is 852282.

2822580 is a `hidden beast` number, since 2 + 82 + 2 + 580 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2822587) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2074 + ... + 3153.

It is an arithmetic number, because the mean of its divisors is an integer number (182980).

2^2822580 is an apocalyptic number.

2822580 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2822580 is an abundant number, since it is smaller than the sum of its proper divisors (5960460).

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

2822580 is a wasteful number, since it uses less digits than its factorization.

2822580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5245 (or 5237 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 27.

The square root of 2822580 is about 1680.0535705745. The cubic root of 2822580 is about 141.3238369277.

The spelling of 2822580 in words is "two million, eight hundred twenty-two thousand, five hundred eighty".