22220220000001 has 8 divisors (see below), whose sum is σ = 22284395721000. Its totient is φ = 22156047179520.

The previous prime is 22220219999993. The next prime is 22220220000023. The reversal of 22220220000001 is 10000002202222.

It can be written as a sum of positive squares in 4 ways, for example, as 2896072186225 + 19324147813776 = 1701785^2 + 4395924^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 22220220000001 - 2³ = 22220219999993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22220220000071) 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 in 7 ways as a sum of consecutive naturals, for example, 15117531 + ... + 16522111.

It is an arithmetic number, because the mean of its divisors is an integer number (2785549465125).

Almost surely, 2^{22220220000001} is an apocalyptic number.

It is an amenable number.

22220220000001 is a deficient number, since it is larger than the sum of its proper divisors (64175720999).

22220220000001 is a wasteful number, since it uses less digits than its factorization.

22220220000001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1450259.

The product of its (nonzero) digits is 64, while the sum is 13.

Adding to 22220220000001 its reverse (10000002202222), we get a palindrome (32220222202223).

The spelling of 22220220000001 in words is "twenty-two trillion, two hundred twenty billion, two hundred twenty million, one", and thus it is an aban number.