8220533 has 4 divisors (see below), whose sum is σ = 8300448. Its totient is φ = 8140620.

The previous prime is 8220523. The next prime is 8220551. The reversal of 8220533 is 3350228.

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 8220533 - 2⁴ = 8220517 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 8220499 and 8220508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8220523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39803 + ... + 40008.

It is an arithmetic number, because the mean of its divisors is an integer number (2075112).

Almost surely, 2^8220533 is an apocalyptic number.

It is an amenable number.

8220533 is a deficient number, since it is larger than the sum of its proper divisors (79915).

8220533 is a wasteful number, since it uses less digits than its factorization.

8220533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79914.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 8220533 is about 2867.1471884087. The cubic root of 8220533 is about 201.8211418786.

The spelling of 8220533 in words is "eight million, two hundred twenty thousand, five hundred thirty-three".