22201322001 has 4 divisors (see below), whose sum is σ = 29601762672. Its totient is φ = 14800881332.

The previous prime is 22201321997. The next prime is 22201322009. The reversal of 22201322001 is 10022310222.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 22201322001 - 2² = 22201321997 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22201322009) 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, 3700220331 + ... + 3700220336.

It is an arithmetic number, because the mean of its divisors is an integer number (7400440668).

Almost surely, 2^22201322001 is an apocalyptic number.

It is an amenable number.

22201322001 is a deficient number, since it is larger than the sum of its proper divisors (7400440671).

22201322001 is an equidigital number, since it uses as much as digits as its factorization.

22201322001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7400440670.

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 22201322001 its reverse (10022310222), we get a palindrome (32223632223).

The spelling of 22201322001 in words is "twenty-two billion, two hundred one million, three hundred twenty-two thousand, one".