22344400134 has 144 divisors (see below), whose sum is σ = 58943076192. Its totient is φ = 6088110336.

The previous prime is 22344400097. The next prime is 22344400189. The reversal of 22344400134 is 43100444322.

It is a happy number.

22344400134 is a `hidden beast` number, since 223 + 4 + 4 + 400 + 1 + 34 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 22344400098 and 22344400107.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 7565202 + ... + 7568154.

It is an arithmetic number, because the mean of its divisors is an integer number (409326918).

Almost surely, 2^22344400134 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22344400134, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29471538096).

22344400134 is an abundant number, since it is smaller than the sum of its proper divisors (36598676058).

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

22344400134 is a wasteful number, since it uses less digits than its factorization.

22344400134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3371 (or 3361 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

Adding to 22344400134 its reverse (43100444322), we get a palindrome (65444844456).

The spelling of 22344400134 in words is "twenty-two billion, three hundred forty-four million, four hundred thousand, one hundred thirty-four".