7220993846784 has 160 divisors (see below), whose sum is σ = 20149929321984. Its totient is φ = 2293588746240.

The previous prime is 7220993846767. The next prime is 7220993846789. The reversal of 7220993846784 is 4876483990227.

It is a Harshad number since it is a multiple of its sum of digits (69).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7220993846789) 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 15 ways as a sum of consecutive naturals, for example, 8902674 + ... + 9679854.

Almost surely, 2^{7220993846784} 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 7220993846784, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10074964660992).

7220993846784 is an abundant number, since it is smaller than the sum of its proper divisors (12928935475200).

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

7220993846784 is a wasteful number, since it uses less digits than its factorization.

7220993846784 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 777488 (or 777472 counting only the distinct ones).

The product of its (nonzero) digits is 292626432, while the sum is 69.

The spelling of 7220993846784 in words is "seven trillion, two hundred twenty billion, nine hundred ninety-three million, eight hundred forty-six thousand, seven hundred eighty-four".