2205112544442 has 96 divisors (see below), whose sum is σ = 5020266625920. Its totient is φ = 698189184000.

The previous prime is 2205112544423. The next prime is 2205112544447. The reversal of 2205112544442 is 2444452115022.

2205112544442 is a `hidden beast` number, since 2 + 2 + 0 + 51 + 125 + 44 + 442 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 2205112544397 and 2205112544406.

It is not an unprimeable number, because it can be changed into a prime (2205112544447) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 34987534 + ... + 35050502.

It is an arithmetic number, because the mean of its divisors is an integer number (52294444020).

Almost surely, 2^{2205112544442} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2205112544442, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2510133312960).

2205112544442 is an abundant number, since it is smaller than the sum of its proper divisors (2815154081478).

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

2205112544442 is a wasteful number, since it uses less digits than its factorization.

2205112544442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63588 (or 63585 counting only the distinct ones).

The product of its (nonzero) digits is 102400, while the sum is 36.

Adding to 2205112544442 its reverse (2444452115022), we get a palindrome (4649564659464).

The spelling of 2205112544442 in words is "two trillion, two hundred five billion, one hundred twelve million, five hundred forty-four thousand, four hundred forty-two".