2216653 has 2 divisors, whose sum is σ = 2216654. Its totient is φ = 2216652.

The previous prime is 2216629. The next prime is 2216657. The reversal of 2216653 is 3566122.

2216653 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1790244 + 426409 = 1338^2 + 653^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2216653 is a prime.

It is a d-powerful number, because it can be written as 2¹⁷ + 2¹⁷ + 1 + 6 + 6⁴ + 5⁹ + 3⁴ .

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2216657) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1108326 + 1108327.

It is an arithmetic number, because the mean of its divisors is an integer number (1108327).

2^2216653 is an apocalyptic number.

It is an amenable number.

2216653 is a deficient number, since it is larger than the sum of its proper divisors (1).

2216653 is an equidigital number, since it uses as much as digits as its factorization.

2216653 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2160, while the sum is 25.

The square root of 2216653 is about 1488.8428392547. The cubic root of 2216653 is about 130.3864830043.

The spelling of 2216653 in words is "two million, two hundred sixteen thousand, six hundred fifty-three".