2220126081 has 16 divisors (see below), whose sum is σ = 3012629760. Its totient is φ = 1454053520.

The previous prime is 2220126071. The next prime is 2220126091. The reversal of 2220126081 is 1806210222.

It is an interprime number because it is at equal distance from previous prime (2220126071) and next prime (2220126091).

It is a cyclic number.

It is not a de Polignac number, because 2220126081 - 2⁹ = 2220125569 is a prime.

It is a super-2 number, since 2×2220126081² = 9857919631072837122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2220126071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19666 + ... + 69476.

It is an arithmetic number, because the mean of its divisors is an integer number (188289360).

Almost surely, 2^2220126081 is an apocalyptic number.

It is an amenable number.

2220126081 is a deficient number, since it is larger than the sum of its proper divisors (792503679).

2220126081 is a wasteful number, since it uses less digits than its factorization.

2220126081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50076.

The product of its (nonzero) digits is 768, while the sum is 24.

The square root of 2220126081 is about 47118.2138986613. The cubic root of 2220126081 is about 1304.5454455410.

The spelling of 2220126081 in words is "two billion, two hundred twenty million, one hundred twenty-six thousand, eighty-one".