22205554434 has 64 divisors (see below), whose sum is σ = 56488550400. Its totient is φ = 6333926544.

The previous prime is 22205554369. The next prime is 22205554439. The reversal of 22205554434 is 43445550222.

22205554434 is a `hidden beast` number, since 2 + 2 + 205 + 5 + 5 + 443 + 4 = 666.

22205554434 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (22205554439) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 181057 + ... + 277835.

It is an arithmetic number, because the mean of its divisors is an integer number (882633600).

Almost surely, 2^22205554434 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22205554434, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28244275200).

22205554434 is an abundant number, since it is smaller than the sum of its proper divisors (34282995966).

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

22205554434 is a wasteful number, since it uses less digits than its factorization.

22205554434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97404 (or 97398 counting only the distinct ones).

The product of its (nonzero) digits is 192000, while the sum is 36.

The spelling of 22205554434 in words is "twenty-two billion, two hundred five million, five hundred fifty-four thousand, four hundred thirty-four".