7220819573 has 16 divisors (see below), whose sum is σ = 8057200896. Its totient is φ = 6414858240.

The previous prime is 7220819531. The next prime is 7220819579. The reversal of 7220819573 is 3759180227.

It is a cyclic number.

It is not a de Polignac number, because 7220819573 - 2²⁰ = 7219770997 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7220819579) 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, 337565 + ... + 358317.

It is an arithmetic number, because the mean of its divisors is an integer number (503575056).

Almost surely, 2^7220819573 is an apocalyptic number.

It is an amenable number.

7220819573 is a deficient number, since it is larger than the sum of its proper divisors (836381323).

7220819573 is a wasteful number, since it uses less digits than its factorization.

7220819573 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21484.

The product of its (nonzero) digits is 211680, while the sum is 44.

The square root of 7220819573 is about 84975.4056948244. The cubic root of 7220819573 is about 1932.8381889317.

The spelling of 7220819573 in words is "seven billion, two hundred twenty million, eight hundred nineteen thousand, five hundred seventy-three".