7222619888640 has 1408 divisors, whose sum is σ = 29023281745920. Its totient is φ = 1690036862976.

The previous prime is 7222619888629. The next prime is 7222619888647. The reversal of 7222619888640 is 468889162227.

7222619888640 is a `hidden beast` number, since 7 + 2 + 2 + 2 + 619 + 8 + 8 + 8 + 6 + 4 + 0 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7222619888647) 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 127 ways as a sum of consecutive naturals, for example, 8142750277 + ... + 8142751163.

It is an arithmetic number, because the mean of its divisors is an integer number (20613126240).

Almost surely, 2^{7222619888640} 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 7222619888640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14511640872960).

7222619888640 is an abundant number, since it is smaller than the sum of its proper divisors (21800661857280).

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

7222619888640 is a wasteful number, since it uses less digits than its factorization.

7222619888640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1154 (or 1130 counting only the distinct ones).

The product of its (nonzero) digits is 37158912, while the sum is 63.

The spelling of 7222619888640 in words is "seven trillion, two hundred twenty-two billion, six hundred nineteen million, eight hundred eighty-eight thousand, six hundred forty".