22440425105 has 32 divisors (see below), whose sum is σ = 31124079360. Its totient is φ = 15214268160.

The previous prime is 22440425047. The next prime is 22440425113. The reversal of 22440425105 is 50152404422.

It is not a de Polignac number, because 22440425105 - 2¹⁶ = 22440359569 is a prime.

It is a super-2 number, since 2×22440425105² (a number of 22 digits) contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1261211 + ... + 1278879.

It is an arithmetic number, because the mean of its divisors is an integer number (972627480).

Almost surely, 2^22440425105 is an apocalyptic number.

It is an amenable number.

22440425105 is a deficient number, since it is larger than the sum of its proper divisors (8683654255).

22440425105 is a wasteful number, since it uses less digits than its factorization.

22440425105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18089.

The product of its (nonzero) digits is 12800, while the sum is 29.

Adding to 22440425105 its reverse (50152404422), we get a palindrome (72592829527).

The spelling of 22440425105 in words is "twenty-two billion, four hundred forty million, four hundred twenty-five thousand, one hundred five".