22200001001 has 4 divisors (see below), whose sum is σ = 22201506132. Its totient is φ = 22198495872.

The previous prime is 22200000989. The next prime is 22200001003. The reversal of 22200001001 is 10010000222.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 10010000222 = 2 ⋅5005000111.

It can be written as a sum of positive squares in 2 ways, for example, as 11680421776 + 10519579225 = 108076^2 + 102565^2 .

It is a cyclic number.

It is not a de Polignac number, because 22200001001 - 2⁶ = 22200000937 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 22200001001.

It is not an unprimeable number, because it can be changed into a prime (22200001003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 730220 + ... + 760013.

It is an arithmetic number, because the mean of its divisors is an integer number (5550376533).

Almost surely, 2^22200001001 is an apocalyptic number.

It is an amenable number.

22200001001 is a deficient number, since it is larger than the sum of its proper divisors (1505131).

22200001001 is a wasteful number, since it uses less digits than its factorization.

22200001001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1505130.

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

Adding to 22200001001 its reverse (10010000222), we get a palindrome (32210001223).

The spelling of 22200001001 in words is "twenty-two billion, two hundred million, one thousand, one".