2216143775 has 6 divisors (see below), whose sum is σ = 2748018312. Its totient is φ = 1772915000.

The previous prime is 2216143751. The next prime is 2216143819. The reversal of 2216143775 is 5773416122.

It is not a de Polignac number, because 2216143775 - 2²⁶ = 2149034911 is a prime.

It is a super-2 number, since 2×2216143775² = 9822586462942501250, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 in 5 ways as a sum of consecutive naturals, for example, 44322851 + ... + 44322900.

It is an arithmetic number, because the mean of its divisors is an integer number (458003052).

Almost surely, 2^2216143775 is an apocalyptic number.

2216143775 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2216143775 is a deficient number, since it is larger than the sum of its proper divisors (531874537).

2216143775 is an equidigital number, since it uses as much as digits as its factorization.

2216143775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88645761 (or 88645756 counting only the distinct ones).

The product of its digits is 70560, while the sum is 38.

The square root of 2216143775 is about 47075.9362625960. The cubic root of 2216143775 is about 1303.7649780862.

Adding to 2216143775 its reverse (5773416122), we get a palindrome (7989559897).

The spelling of 2216143775 in words is "two billion, two hundred sixteen million, one hundred forty-three thousand, seven hundred seventy-five".