4243222333400 has 96 divisors (see below), whose sum is σ = 10033761816000. Its totient is φ = 1668345352320.

The previous prime is 4243222333391. The next prime is 4243222333417. The reversal of 4243222333400 is 43332223424.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 223565111 + ... + 223584089.

It is an arithmetic number, because the mean of its divisors is an integer number (104518352250).

Almost surely, 2^{4243222333400} is an apocalyptic number.

4243222333400 is a gapful number since it is divisible by the number (40) 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 4243222333400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5016880908000).

4243222333400 is an abundant number, since it is smaller than the sum of its proper divisors (5790539482600).

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

4243222333400 is a wasteful number, since it uses less digits than its factorization.

4243222333400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38001 (or 37992 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 32.

Adding to 4243222333400 its reverse (43332223424), we get a palindrome (4286554556824).

The spelling of 4243222333400 in words is "four trillion, two hundred forty-three billion, two hundred twenty-two million, three hundred thirty-three thousand, four hundred".