2223821700648 has 96 divisors (see below), whose sum is σ = 6177988502400. Its totient is φ = 722264304384.

The previous prime is 2223821700589. The next prime is 2223821700649. The reversal of 2223821700648 is 8460071283222.

2223821700648 is a `hidden beast` number, since 222 + 382 + 1 + 7 + 0 + 0 + 6 + 48 = 666.

It is not an unprimeable number, because it can be changed into a prime (2223821700649) 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 23 ways as a sum of consecutive naturals, for example, 388161 + ... + 2144367.

It is an arithmetic number, because the mean of its divisors is an integer number (64354046900).

Almost surely, 2^{2223821700648} 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 2223821700648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3088994251200).

2223821700648 is an abundant number, since it is smaller than the sum of its proper divisors (3954166801752).

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

2223821700648 is a wasteful number, since it uses less digits than its factorization.

2223821700648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1756671 (or 1756664 counting only the distinct ones).

The product of its (nonzero) digits is 516096, while the sum is 45.

The spelling of 2223821700648 in words is "two trillion, two hundred twenty-three billion, eight hundred twenty-one million, seven hundred thousand, six hundred forty-eight".