2216081783 has 2 divisors, whose sum is σ = 2216081784. Its totient is φ = 2216081782.

The previous prime is 2216081731. The next prime is 2216081821. The reversal of 2216081783 is 3871806122.

2216081783 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an a-pointer prime, because the next prime (2216081821) can be obtained adding 2216081783 to its sum of digits (38).

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2216081783 - 2²⁴ = 2199304567 is a prime.

It is a super-2 number, since 2×2216081783² = 9822036937888918178, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2216081083) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1108040891 + 1108040892.

It is an arithmetic number, because the mean of its divisors is an integer number (1108040892).

Almost surely, 2^2216081783 is an apocalyptic number.

2216081783 is a deficient number, since it is larger than the sum of its proper divisors (1).

2216081783 is an equidigital number, since it uses as much as digits as its factorization.

2216081783 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32256, while the sum is 38.

The square root of 2216081783 is about 47075.2778324250. The cubic root of 2216081783 is about 1303.7528212709.

The spelling of 2216081783 in words is "two billion, two hundred sixteen million, eighty-one thousand, seven hundred eighty-three".