7221500792745 has 16 divisors (see below), whose sum is σ = 11559229742592. Its totient is φ = 3849857598080.

The previous prime is 7221500792651. The next prime is 7221500792783. The reversal of 7221500792745 is 5472970051227.

It is not a de Polignac number, because 7221500792745 - 2¹⁹ = 7221500268457 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 100556121 + ... + 100627910.

It is an arithmetic number, because the mean of its divisors is an integer number (722451858912).

Almost surely, 2^{7221500792745} is an apocalyptic number.

It is an amenable number.

7221500792745 is a deficient number, since it is larger than the sum of its proper divisors (4337728949847).

7221500792745 is a wasteful number, since it uses less digits than its factorization.

7221500792745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201186432.

The product of its (nonzero) digits is 2469600, while the sum is 51.

The spelling of 7221500792745 in words is "seven trillion, two hundred twenty-one billion, five hundred million, seven hundred ninety-two thousand, seven hundred forty-five".