2216492851 has 2 divisors, whose sum is σ = 2216492852. Its totient is φ = 2216492850.

The previous prime is 2216492813. The next prime is 2216492879. The reversal of 2216492851 is 1582946122.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2216492851 - 2¹³ = 2216484659 is a prime.

It is not a weakly prime, because it can be changed into another prime (2216492051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1108246425 + 1108246426.

It is an arithmetic number, because the mean of its divisors is an integer number (1108246426).

Almost surely, 2^2216492851 is an apocalyptic number.

2216492851 is a deficient number, since it is larger than the sum of its proper divisors (1).

2216492851 is an equidigital number, since it uses as much as digits as its factorization.

2216492851 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 69120, while the sum is 40.

The square root of 2216492851 is about 47079.6437008608. The cubic root of 2216492851 is about 1303.8334286948.

The spelling of 2216492851 in words is "two billion, two hundred sixteen million, four hundred ninety-two thousand, eight hundred fifty-one".