22544224401 has 4 divisors (see below), whose sum is σ = 30058965872. Its totient is φ = 15029482932.

The previous prime is 22544224397. The next prime is 22544224447. The reversal of 22544224401 is 10442244522.

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 not a de Polignac number, because 22544224401 - 2² = 22544224397 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (22544224481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3757370731 + ... + 3757370736.

It is an arithmetic number, because the mean of its divisors is an integer number (7514741468).

Almost surely, 2^22544224401 is an apocalyptic number.

It is an amenable number.

22544224401 is a deficient number, since it is larger than the sum of its proper divisors (7514741471).

22544224401 is an equidigital number, since it uses as much as digits as its factorization.

22544224401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7514741470.

The product of its (nonzero) digits is 20480, while the sum is 30.

Adding to 22544224401 its reverse (10442244522), we get a palindrome (32986468923).

The spelling of 22544224401 in words is "twenty-two billion, five hundred forty-four million, two hundred twenty-four thousand, four hundred one".