7221308449536 has 108 divisors (see below), whose sum is σ = 21492451839040. Its totient is φ = 2329454315520.

The previous prime is 7221308449493. The next prime is 7221308449571. The reversal of 7221308449536 is 6359448031227.

7221308449536 is a `hidden beast` number, since 7 + 2 + 21 + 3 + 0 + 84 + 4 + 9 + 536 = 666.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 50480971 + ... + 50623818.

It is a 1-persistent number, because it is pandigital, but 2⋅7221308449536 = 14442616899072 is not.

Almost surely, 2^{7221308449536} is an apocalyptic number.

It is an amenable number.

7221308449536 is an abundant number, since it is smaller than the sum of its proper divisors (14271143389504).

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

7221308449536 is a wasteful number, since it uses less digits than its factorization.

7221308449536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101104842 (or 101104825 counting only the distinct ones).

The product of its (nonzero) digits is 8709120, while the sum is 54.

The spelling of 7221308449536 in words is "seven trillion, two hundred twenty-one billion, three hundred eight million, four hundred forty-nine thousand, five hundred thirty-six".