2622284 has 36 divisors (see below), whose sum is σ = 5659416. Its totient is φ = 1056384.

The previous prime is 2622283. The next prime is 2622287. The reversal of 2622284 is 4822262.

It is a d-powerful number, because it can be written as 2⁵ + 6² + 2⁹ + 2¹⁹ + 2²¹ + 8 + 4⁴ .

It is not an unprimeable number, because it can be changed into a prime (2622283) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2939 + ... + 3725.

It is an arithmetic number, because the mean of its divisors is an integer number (157206).

2^2622284 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 2622284, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2829708).

2622284 is an abundant number, since it is smaller than the sum of its proper divisors (3037132).

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

2622284 is a wasteful number, since it uses less digits than its factorization.

2622284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 822 (or 813 counting only the distinct ones).

The product of its digits is 3072, while the sum is 26.

The square root of 2622284 is about 1619.3467818846. The cubic root of 2622284 is about 137.8986162865.

The spelling of 2622284 in words is "two million, six hundred twenty-two thousand, two hundred eighty-four".