22232143442400 has 144 divisors (see below), whose sum is σ = 72640783442304. Its totient is φ = 5906029319680.

The previous prime is 22232143442393. The next prime is 22232143442437. The reversal of 22232143442400 is 424434123222.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16979814 + ... + 18242213.

It is an arithmetic number, because the mean of its divisors is an integer number (504449885016).

Almost surely, 2^{22232143442400} is an apocalyptic number.

22232143442400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22232143442400 is an abundant number, since it is smaller than the sum of its proper divisors (50408639999904).

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

22232143442400 is a wasteful number, since it uses less digits than its factorization.

22232143442400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35222313 (or 35222300 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 33.

Adding to 22232143442400 its reverse (424434123222), we get a palindrome (22656577565622).

The spelling of 22232143442400 in words is "twenty-two trillion, two hundred thirty-two billion, one hundred forty-three million, four hundred forty-two thousand, four hundred".