22003222001 has 4 divisors (see below), whose sum is σ = 22058646132. Its totient is φ = 21947797872.

The previous prime is 22003221967. The next prime is 22003222039. The reversal of 22003222001 is 10022230022.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5376408976 + 16626813025 = 73324^2 + 128945^2 .

It is a cyclic number.

It is not a de Polignac number, because 22003222001 - 2²⁶ = 21936113137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22003222091) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27711470 + ... + 27712263.

It is an arithmetic number, because the mean of its divisors is an integer number (5514661533).

Almost surely, 2^22003222001 is an apocalyptic number.

It is an amenable number.

22003222001 is a deficient number, since it is larger than the sum of its proper divisors (55424131).

22003222001 is an equidigital number, since it uses as much as digits as its factorization.

22003222001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55424130.

The product of its (nonzero) digits is 96, while the sum is 14.

Adding to 22003222001 its reverse (10022230022), we get a palindrome (32025452023).

The spelling of 22003222001 in words is "twenty-two billion, three million, two hundred twenty-two thousand, one".