22401440111 has 16 divisors (see below), whose sum is σ = 23786058240. Its totient is φ = 21053118240.

The previous prime is 22401440077. The next prime is 22401440143. The reversal of 22401440111 is 11104410422.

It is a cyclic number.

It is not a de Polignac number, because 22401440111 - 2²² = 22397245807 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 15 ways as a sum of consecutive naturals, for example, 455060 + ... + 501878.

It is an arithmetic number, because the mean of its divisors is an integer number (1486628640).

Almost surely, 2^22401440111 is an apocalyptic number.

22401440111 is a deficient number, since it is larger than the sum of its proper divisors (1384618129).

22401440111 is a wasteful number, since it uses less digits than its factorization.

22401440111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47206.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 22401440111 its reverse (11104410422), we get a palindrome (33505850533).

The spelling of 22401440111 in words is "twenty-two billion, four hundred one million, four hundred forty thousand, one hundred eleven".