22004231400 has 288 divisors, whose sum is σ = 76880793600. Its totient is φ = 5633241600.

The previous prime is 22004231387. The next prime is 22004231407. The reversal of 22004231400 is 413240022.

22004231400 is a `hidden beast` number, since 2 + 200 + 423 + 1 + 40 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (22004231407) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 9969097 + ... + 9971303.

It is an arithmetic number, because the mean of its divisors is an integer number (266947200).

Almost surely, 2^22004231400 is an apocalyptic number.

22004231400 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 22004231400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38440396800).

22004231400 is an abundant number, since it is smaller than the sum of its proper divisors (54876562200).

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

22004231400 is a wasteful number, since it uses less digits than its factorization.

22004231400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2449 (or 2437 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

Adding to 22004231400 its reverse (413240022), we get a palindrome (22417471422).

The spelling of 22004231400 in words is "twenty-two billion, four million, two hundred thirty-one thousand, four hundred".