7221500792997 has 16 divisors (see below), whose sum is σ = 9751866589440. Its totient is φ = 4752750892032.

The previous prime is 7221500792983. The next prime is 7221500793037. The reversal of 7221500792997 is 7992970051227.

It is a de Polignac number, because none of the positive numbers 2^k-7221500792997 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 7221500792997.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7221500792897) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 296268 + ... + 3811925.

It is an arithmetic number, because the mean of its divisors is an integer number (609491661840).

Almost surely, 2^{7221500792997} is an apocalyptic number.

It is an amenable number.

7221500792997 is a deficient number, since it is larger than the sum of its proper divisors (2530365796443).

7221500792997 is a wasteful number, since it uses less digits than its factorization.

7221500792997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4115692.

The product of its (nonzero) digits is 10001880, while the sum is 60.

The spelling of 7221500792997 in words is "seven trillion, two hundred twenty-one billion, five hundred million, seven hundred ninety-two thousand, nine hundred ninety-seven".