22404344023000 has 128 divisors (see below), whose sum is σ = 54237888619200. Its totient is φ = 8652086016000.

The previous prime is 22404344022887. The next prime is 22404344023031. The reversal of 22404344023000 is 32044340422.

It is a happy number.

It is a super-2 number, since 2×22404344023000² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 22404344023000.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 724317535 + ... + 724348465.

Almost surely, 2^{22404344023000} is an apocalyptic number.

22404344023000 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 22404344023000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27118944309600).

22404344023000 is an abundant number, since it is smaller than the sum of its proper divisors (31833544596200).

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

22404344023000 is a wasteful number, since it uses less digits than its factorization.

22404344023000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55958 (or 55944 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 28.

Adding to 22404344023000 its reverse (32044340422), we get a palindrome (22436388363422).

The spelling of 22404344023000 in words is "twenty-two trillion, four hundred four billion, three hundred forty-four million, twenty-three thousand".