22008994161 has 16 divisors (see below), whose sum is σ = 36586380288. Its totient is φ = 11433243600.

The previous prime is 22008994129. The next prime is 22008994169. The reversal of 22008994161 is 16149980022.

It is not a de Polignac number, because 22008994161 - 2⁵ = 22008994129 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (22008994169) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47638285 + ... + 47638746.

It is an arithmetic number, because the mean of its divisors is an integer number (2286648768).

Almost surely, 2^22008994161 is an apocalyptic number.

22008994161 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

22008994161 is a deficient number, since it is larger than the sum of its proper divisors (14577386127).

22008994161 is a wasteful number, since it uses less digits than its factorization.

22008994161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95277052.

The product of its (nonzero) digits is 62208, while the sum is 42.

The spelling of 22008994161 in words is "twenty-two billion, eight million, nine hundred ninety-four thousand, one hundred sixty-one".