22123342320 has 160 divisors (see below), whose sum is σ = 69490820160. Its totient is φ = 5821685760.

The previous prime is 22123342273. The next prime is 22123342321. The reversal of 22123342320 is 2324332122.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22123342321) 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, 18732130 + ... + 18733310.

It is an arithmetic number, because the mean of its divisors is an integer number (434317626).

Almost surely, 2^22123342320 is an apocalyptic number.

22123342320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22123342320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34745410080).

22123342320 is an abundant number, since it is smaller than the sum of its proper divisors (47367477840).

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

22123342320 is a wasteful number, since it uses less digits than its factorization.

22123342320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2163 (or 2157 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 24.

Adding to 22123342320 its reverse (2324332122), we get a palindrome (24447674442).

The spelling of 22123342320 in words is "twenty-two billion, one hundred twenty-three million, three hundred forty-two thousand, three hundred twenty".