22010870081 has 2 divisors, whose sum is σ = 22010870082. Its totient is φ = 22010870080.

The previous prime is 22010870047. The next prime is 22010870117. The reversal of 22010870081 is 18007801022.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15540115600 + 6470754481 = 124660^2 + 80441^2 .

It is a cyclic number.

It is not a de Polignac number, because 22010870081 - 2¹⁰ = 22010869057 is a prime.

It is a super-2 number, since 2×22010870081² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (22010870681) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11005435040 + 11005435041.

It is an arithmetic number, because the mean of its divisors is an integer number (11005435041).

Almost surely, 2^22010870081 is an apocalyptic number.

It is an amenable number.

22010870081 is a deficient number, since it is larger than the sum of its proper divisors (1).

22010870081 is an equidigital number, since it uses as much as digits as its factorization.

22010870081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1792, while the sum is 29.

The spelling of 22010870081 in words is "twenty-two billion, ten million, eight hundred seventy thousand, eighty-one".