7221515086573 has 8 divisors (see below), whose sum is σ = 7255458662400. Its totient is φ = 7187596724448.

The previous prime is 7221515086529. The next prime is 7221515086679. The reversal of 7221515086573 is 3756805151227.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 7221515086573 - 2³³ = 7212925151981 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 7221515086573.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7221515086523) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5729133 + ... + 6875026.

It is an arithmetic number, because the mean of its divisors is an integer number (906932332800).

Almost surely, 2^{7221515086573} is an apocalyptic number.

It is an amenable number.

7221515086573 is a deficient number, since it is larger than the sum of its proper divisors (33943575827).

7221515086573 is a wasteful number, since it uses less digits than its factorization.

7221515086573 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12606851.

The product of its (nonzero) digits is 3528000, while the sum is 52.

The spelling of 7221515086573 in words is "seven trillion, two hundred twenty-one billion, five hundred fifteen million, eighty-six thousand, five hundred seventy-three".