7221389535360 has 6144 divisors, whose sum is σ = 38163654144000. Its totient is φ = 1264146186240.

The previous prime is 7221389535301. The next prime is 7221389535383. The reversal of 7221389535360 is 635359831227.

7221389535360 is a `hidden beast` number, since 7 + 2 + 2 + 13 + 8 + 95 + 3 + 536 + 0 = 666.

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

It is a junction number, because it is equal to n+sod(n) for n = 7221389535297 and 7221389535306.

It is an unprimeable number.

It is a polite number, since it can be written in 767 ways as a sum of consecutive naturals, for example, 98923144284 + ... + 98923144356.

It is an arithmetic number, because the mean of its divisors is an integer number (6211532250).

Almost surely, 2^{7221389535360} is an apocalyptic number.

7221389535360 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7221389535360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19081827072000).

7221389535360 is an abundant number, since it is smaller than the sum of its proper divisors (30942264608640).

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

7221389535360 is a wasteful number, since it uses less digits than its factorization.

7221389535360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201 (or 176 counting only the distinct ones).

The product of its (nonzero) digits is 8164800, while the sum is 54.

The spelling of 7221389535360 in words is "seven trillion, two hundred twenty-one billion, three hundred eighty-nine million, five hundred thirty-five thousand, three hundred sixty".