8220773 has 4 divisors (see below), whose sum is σ = 8968128. Its totient is φ = 7473420.

The previous prime is 8220767. The next prime is 8220791. The reversal of 8220773 is 3770228.

8220773 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 8220773 - 2⁸ = 8220517 is a prime.

It is a super-2 number, since 2×8220773² = 135162217435058, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8220713) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 373661 + ... + 373682.

It is an arithmetic number, because the mean of its divisors is an integer number (2242032).

Almost surely, 2^8220773 is an apocalyptic number.

It is an amenable number.

8220773 is a deficient number, since it is larger than the sum of its proper divisors (747355).

8220773 is a wasteful number, since it uses less digits than its factorization.

8220773 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 747354.

The product of its (nonzero) digits is 4704, while the sum is 29.

The square root of 8220773 is about 2867.1890415527. The cubic root of 8220773 is about 201.8231059282.

The spelling of 8220773 in words is "eight million, two hundred twenty thousand, seven hundred seventy-three".