22130423344 has 80 divisors (see below), whose sum is σ = 45439313920. Its totient is φ = 10424816640.

The previous prime is 22130423333. The next prime is 22130423347. The reversal of 22130423344 is 44332403122.

It is not an unprimeable number, because it can be changed into a prime (22130423347) 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, 7185997 + ... + 7189075.

It is an arithmetic number, because the mean of its divisors is an integer number (567991424).

Almost surely, 2^22130423344 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22130423344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22719656960).

22130423344 is an abundant number, since it is smaller than the sum of its proper divisors (23308890576).

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

22130423344 is a wasteful number, since it uses less digits than its factorization.

22130423344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3498 (or 3492 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 28.

Adding to 22130423344 its reverse (44332403122), we get a palindrome (66462826466).

The spelling of 22130423344 in words is "twenty-two billion, one hundred thirty million, four hundred twenty-three thousand, three hundred forty-four".