22200000001 has 12 divisors (see below), whose sum is σ = 23791430412. Its totient is φ = 20709183488.

The previous prime is 22199999977. The next prime is 22200000049. The reversal of 22200000001 is 10000000222.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 772895601 + 21427104400 = 27801^2 + 146380^2 .

It is not a de Polignac number, because 22200000001 - 2¹⁹ = 22199475713 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22200000001.

It is not an unprimeable number, because it can be changed into a prime (22200000071) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 307240 + ... + 372553.

It is an arithmetic number, because the mean of its divisors is an integer number (1982619201).

Almost surely, 2^22200000001 is an apocalyptic number.

It is an amenable number.

22200000001 is a deficient number, since it is larger than the sum of its proper divisors (1591430411).

22200000001 is a wasteful number, since it uses less digits than its factorization.

22200000001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 679940 (or 679923 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 7.

Adding to 22200000001 its reverse (10000000222), we get a palindrome (32200000223).

The spelling of 22200000001 in words is "twenty-two billion, two hundred million, one", and thus it is an aban number.