22442400043 has 32 divisors (see below), whose sum is σ = 27522561024. Its totient is φ = 17862853632.

The previous prime is 22442400041. The next prime is 22442400049. The reversal of 22442400043 is 34000424422.

It is not a de Polignac number, because 22442400043 - 2¹ = 22442400041 is a prime.

It is a super-2 number, since 2×22442400043² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22442399990 and 22442400017.

It is not an unprimeable number, because it can be changed into a prime (22442400041) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2718480 + ... + 2726722.

It is an arithmetic number, because the mean of its divisors is an integer number (860080032).

Almost surely, 2^22442400043 is an apocalyptic number.

22442400043 is a deficient number, since it is larger than the sum of its proper divisors (5080160981).

22442400043 is a wasteful number, since it uses less digits than its factorization.

22442400043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8571.

The product of its (nonzero) digits is 6144, while the sum is 25.

Adding to 22442400043 its reverse (34000424422), we get a palindrome (56442824465).

The spelling of 22442400043 in words is "twenty-two billion, four hundred forty-two million, four hundred thousand, forty-three".