2622863 has 2 divisors, whose sum is σ = 2622864. Its totient is φ = 2622862.

The previous prime is 2622857. The next prime is 2622889. The reversal of 2622863 is 3682262.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2622863 - 2⁶ = 2622799 is a prime.

It is a d-powerful number, because it can be written as 2⁵ + 6 + 2¹⁹ + 2²¹ + 8 + 6⁴ + 3⁴ .

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2621863) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1311431 + 1311432.

It is an arithmetic number, because the mean of its divisors is an integer number (1311432).

2^2622863 is an apocalyptic number.

2622863 is a deficient number, since it is larger than the sum of its proper divisors (1).

2622863 is an equidigital number, since it uses as much as digits as its factorization.

2622863 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6912, while the sum is 29.

The square root of 2622863 is about 1619.5255478071. The cubic root of 2622863 is about 137.9087648723.

It can be divided in two parts, 262 and 2863, that added together give a 5-th power (3125 = 5⁵).

The spelling of 2622863 in words is "two million, six hundred twenty-two thousand, eight hundred sixty-three".