2622444 has 24 divisors (see below), whose sum is σ = 6675648. Its totient is φ = 794640.

The previous prime is 2622443. The next prime is 2622461. The reversal of 2622444 is 4442262.

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

It is a d-powerful number, because it can be written as 2⁹ + 6³ + 2¹⁹ + 2²¹ + 4 + 4² + 4⁴ .

It is not an unprimeable number, because it can be changed into a prime (2622443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9802 + ... + 10065.

It is an arithmetic number, because the mean of its divisors is an integer number (278152).

2^2622444 is an apocalyptic number.

It is an amenable number.

2622444 is an abundant number, since it is smaller than the sum of its proper divisors (4053204).

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

2622444 is a wasteful number, since it uses less digits than its factorization.

2622444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19885 (or 19883 counting only the distinct ones).

The product of its digits is 3072, while the sum is 24.

The square root of 2622444 is about 1619.3961837673. The cubic root of 2622444 is about 137.9014208810.

The spelling of 2622444 in words is "two million, six hundred twenty-two thousand, four hundred forty-four".