22344342500 has 60 divisors (see below), whose sum is σ = 49236326832. Its totient is φ = 8869380000.

The previous prime is 22344342499. The next prime is 22344342509. The reversal of 22344342500 is 524344322.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (22344342509) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 293387 + ... + 361613.

Almost surely, 2^22344342500 is an apocalyptic number.

22344342500 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 22344342500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24618163416).

22344342500 is an abundant number, since it is smaller than the sum of its proper divisors (26891984332).

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

22344342500 is a wasteful number, since it uses less digits than its factorization.

22344342500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68382 (or 68365 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 29.

Adding to 22344342500 its reverse (524344322), we get a palindrome (22868686822).

The spelling of 22344342500 in words is "twenty-two billion, three hundred forty-four million, three hundred forty-two thousand, five hundred".