22079181841 has 4 divisors (see below), whose sum is σ = 22138375732. Its totient is φ = 22019987952.

The previous prime is 22079181829. The next prime is 22079181847. The reversal of 22079181841 is 14818197022.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 11809386241 + 10269795600 = 108671^2 + 101340^2 .

It is a cyclic number.

It is not a de Polignac number, because 22079181841 - 2⁷ = 22079181713 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22079181847) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29596386 + ... + 29597131.

It is an arithmetic number, because the mean of its divisors is an integer number (5534593933).

Almost surely, 2^22079181841 is an apocalyptic number.

It is an amenable number.

22079181841 is a deficient number, since it is larger than the sum of its proper divisors (59193891).

22079181841 is an equidigital number, since it uses as much as digits as its factorization.

22079181841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59193890.

The product of its (nonzero) digits is 64512, while the sum is 43.

The spelling of 22079181841 in words is "twenty-two billion, seventy-nine million, one hundred eighty-one thousand, eight hundred forty-one".