2216126243 has 2 divisors, whose sum is σ = 2216126244. Its totient is φ = 2216126242.

The previous prime is 2216126221. The next prime is 2216126309. The reversal of 2216126243 is 3426216122.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2216126243 is a prime.

It is a super-2 number, since 2×2216126243² = 9822431049826590098, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2216123243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1108063121 + 1108063122.

It is an arithmetic number, because the mean of its divisors is an integer number (1108063122).

Almost surely, 2^2216126243 is an apocalyptic number.

2216126243 is a deficient number, since it is larger than the sum of its proper divisors (1).

2216126243 is an equidigital number, since it uses as much as digits as its factorization.

2216126243 is an evil number, because the sum of its binary digits is even.

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

The square root of 2216126243 is about 47075.7500524421. The cubic root of 2216126243 is about 1303.7615400319.

The spelling of 2216126243 in words is "two billion, two hundred sixteen million, one hundred twenty-six thousand, two hundred forty-three".