22043443422 has 64 divisors (see below), whose sum is σ = 59193598464. Its totient is φ = 5285139840.

The previous prime is 22043443403. The next prime is 22043443423. The reversal of 22043443422 is 22434434022.

It is a super-4 number, since 4×22043443422⁴ (a number of 42 digits) contains 4444 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 22043443422.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22043443423) 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, 1829113 + ... + 1841124.

It is an arithmetic number, because the mean of its divisors is an integer number (924899976).

Almost surely, 2^22043443422 is an apocalyptic number.

22043443422 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

22043443422 is an abundant number, since it is smaller than the sum of its proper divisors (37150155042).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22043443422 is a wasteful number, since it uses less digits than its factorization.

22043443422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3670273.

The product of its (nonzero) digits is 36864, while the sum is 30.

Adding to 22043443422 its reverse (22434434022), we get a palindrome (44477877444).

The spelling of 22043443422 in words is "twenty-two billion, forty-three million, four hundred forty-three thousand, four hundred twenty-two".