2221546488822 has 120 divisors (see below), whose sum is σ = 5146904667168. Its totient is φ = 716176974240.

The previous prime is 2221546488803. The next prime is 2221546488829. The reversal of 2221546488822 is 2288846451222.

2221546488822 is a `hidden beast` number, since 2 + 2 + 2 + 154 + 6 + 488 + 8 + 2 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2221546488829) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 321168508 + ... + 321175424.

Almost surely, 2^{2221546488822} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2221546488822, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2573452333584).

2221546488822 is an abundant number, since it is smaller than the sum of its proper divisors (2925358178346).

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

2221546488822 is a wasteful number, since it uses less digits than its factorization.

2221546488822 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9056 (or 9016 counting only the distinct ones).

The product of its digits is 7864320, while the sum is 54.

The spelling of 2221546488822 in words is "two trillion, two hundred twenty-one billion, five hundred forty-six million, four hundred eighty-eight thousand, eight hundred twenty-two".