22054343543 has 16 divisors (see below), whose sum is σ = 22897839360. Its totient is φ = 21224560896.

The previous prime is 22054343539. The next prime is 22054343551. The reversal of 22054343543 is 34534345022.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 22054343543 - 2² = 22054343539 is a prime.

It is a super-2 number, since 2×22054343543² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22054343503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2483930 + ... + 2492792.

It is an arithmetic number, because the mean of its divisors is an integer number (1431114960).

Almost surely, 2^22054343543 is an apocalyptic number.

22054343543 is a deficient number, since it is larger than the sum of its proper divisors (843495817).

22054343543 is a wasteful number, since it uses less digits than its factorization.

22054343543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9626.

The product of its (nonzero) digits is 172800, while the sum is 35.

Adding to 22054343543 its reverse (34534345022), we get a palindrome (56588688565).

The spelling of 22054343543 in words is "twenty-two billion, fifty-four million, three hundred forty-three thousand, five hundred forty-three".