2281220221848 has 32 divisors (see below), whose sum is σ = 5704258344000. Its totient is φ = 760245702048.

The previous prime is 2281220221807. The next prime is 2281220221849. The reversal of 2281220221848 is 8481220221822.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2281220221849) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9949198 + ... + 10175901.

It is an arithmetic number, because the mean of its divisors is an integer number (178258073250).

Almost surely, 2^{2281220221848} is an apocalyptic number.

It is an amenable number.

2281220221848 is an abundant number, since it is smaller than the sum of its proper divisors (3423038122152).

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

2281220221848 is a wasteful number, since it uses less digits than its factorization.

2281220221848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20129831 (or 20129827 counting only the distinct ones).

The product of its (nonzero) digits is 131072, while the sum is 42.

The spelling of 2281220221848 in words is "two trillion, two hundred eighty-one billion, two hundred twenty million, two hundred twenty-one thousand, eight hundred forty-eight".