22002220000205 has 8 divisors (see below), whose sum is σ = 26409263040504. Its totient is φ = 17597376640000.

The previous prime is 22002220000177. The next prime is 22002220000283. The reversal of 22002220000205 is 50200002220022.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 367786454116 + 21634433546089 = 606454^2 + 4651283^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-22002220000205 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 549898016 + ... + 549938025.

It is an arithmetic number, because the mean of its divisors is an integer number (3301157880063).

Almost surely, 2^{22002220000205} is an apocalyptic number.

It is an amenable number.

22002220000205 is a deficient number, since it is larger than the sum of its proper divisors (4407043040299).

22002220000205 is a wasteful number, since it uses less digits than its factorization.

22002220000205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1099840047.

The product of its (nonzero) digits is 320, while the sum is 17.

Adding to 22002220000205 its reverse (50200002220022), we get a palindrome (72202222220227).

The spelling of 22002220000205 in words is "twenty-two trillion, two billion, two hundred twenty million, two hundred five", and thus it is an aban number.