22550240412 has 108 divisors (see below), whose sum is σ = 66351108096. Its totient is φ = 6438781440.

The previous prime is 22550240411. The next prime is 22550240423. The reversal of 22550240412 is 21404205522.

22550240412 is a `hidden beast` number, since 2 + 2 + 5 + 5 + 0 + 240 + 412 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22550240411) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 3667813 + ... + 3673955.

It is an arithmetic number, because the mean of its divisors is an integer number (614362112).

Almost surely, 2^22550240412 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 22550240412, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33175554048).

22550240412 is an abundant number, since it is smaller than the sum of its proper divisors (43800867684).

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

22550240412 is a wasteful number, since it uses less digits than its factorization.

22550240412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8248 (or 8236 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 27.

Adding to 22550240412 its reverse (21404205522), we get a palindrome (43954445934).

The spelling of 22550240412 in words is "twenty-two billion, five hundred fifty million, two hundred forty thousand, four hundred twelve".