22201100401 has 4 divisors (see below), whose sum is σ = 22211180272. Its totient is φ = 22191020532.

The previous prime is 22201100387. The next prime is 22201100413. The reversal of 22201100401 is 10400110222.

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 22201100401 - 2¹⁵ = 22201067633 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22201400401) 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, 5036631 + ... + 5041036.

It is an arithmetic number, because the mean of its divisors is an integer number (5552795068).

Almost surely, 2^22201100401 is an apocalyptic number.

It is an amenable number.

22201100401 is a deficient number, since it is larger than the sum of its proper divisors (10079871).

22201100401 is a wasteful number, since it uses less digits than its factorization.

22201100401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10079870.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 22201100401 its reverse (10400110222), we get a palindrome (32601210623).

The spelling of 22201100401 in words is "twenty-two billion, two hundred one million, one hundred thousand, four hundred one".