22234112340 has 384 divisors, whose sum is σ = 72212152320. Its totient is φ = 5063385600.

The previous prime is 22234112339. The next prime is 22234112347. The reversal of 22234112340 is 4321143222.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 22234112340.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22234112347) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 105374835 + ... + 105375045.

It is an arithmetic number, because the mean of its divisors is an integer number (188052480).

Almost surely, 2^22234112340 is an apocalyptic number.

22234112340 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 22234112340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36106076160).

22234112340 is an abundant number, since it is smaller than the sum of its proper divisors (49978039980).

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

22234112340 is a wasteful number, since it uses less digits than its factorization.

22234112340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 403 (or 401 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 22234112340 its reverse (4321143222), we get a palindrome (26555255562).

The spelling of 22234112340 in words is "twenty-two billion, two hundred thirty-four million, one hundred twelve thousand, three hundred forty".