4223122421232 has 240 divisors, whose sum is σ = 12918668464800. Its totient is φ = 1180877660160.

The previous prime is 4223122421209. The next prime is 4223122421317. The reversal of 4223122421232 is 2321242213224.

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 4223122421232.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 260405188 + ... + 260421404.

It is an arithmetic number, because the mean of its divisors is an integer number (53827785270).

Almost surely, 2^{4223122421232} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4223122421232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6459334232400).

4223122421232 is an abundant number, since it is smaller than the sum of its proper divisors (8695546043568).

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

4223122421232 is a wasteful number, since it uses less digits than its factorization.

4223122421232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19712 (or 19695 counting only the distinct ones).

The product of its digits is 18432, while the sum is 30.

Adding to 4223122421232 its reverse (2321242213224), we get a palindrome (6544364634456).

The spelling of 4223122421232 in words is "four trillion, two hundred twenty-three billion, one hundred twenty-two million, four hundred twenty-one thousand, two hundred thirty-two".