22222120022009 has 4 divisors (see below), whose sum is σ = 22222310528640. Its totient is φ = 22221929515380.

The previous prime is 22222120021999. The next prime is 22222120022027. The reversal of 22222120022009 is 90022002122222.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 22222120022009 - 2⁴⁴ = 4629933977593 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (22222120022309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 95078237 + ... + 95311674.

It is an arithmetic number, because the mean of its divisors is an integer number (5555577632160).

Almost surely, 2^{22222120022009} is an apocalyptic number.

It is an amenable number.

22222120022009 is a deficient number, since it is larger than the sum of its proper divisors (190506631).

22222120022009 is a wasteful number, since it uses less digits than its factorization.

22222120022009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190506630.

The product of its (nonzero) digits is 2304, while the sum is 26.

The spelling of 22222120022009 in words is "twenty-two trillion, two hundred twenty-two billion, one hundred twenty million, twenty-two thousand, nine".