22401440101 has 4 divisors (see below), whose sum is σ = 22484717100. Its totient is φ = 22318163104.

The previous prime is 22401440077. The next prime is 22401440143. The reversal of 22401440101 is 10104410422.

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 497736100 + 21903704001 = 22310^2 + 147999^2 .

It is a cyclic number.

It is not a de Polignac number, because 22401440101 - 2⁹ = 22401439589 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22401440161) 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, 41638096 + ... + 41638633.

It is an arithmetic number, because the mean of its divisors is an integer number (5621179275).

Almost surely, 2^22401440101 is an apocalyptic number.

It is an amenable number.

22401440101 is a deficient number, since it is larger than the sum of its proper divisors (83276999).

22401440101 is an equidigital number, since it uses as much as digits as its factorization.

22401440101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83276998.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 22401440101 its reverse (10104410422), we get a palindrome (32505850523).

The spelling of 22401440101 in words is "twenty-two billion, four hundred one million, four hundred forty thousand, one hundred one".