8275220 has 24 divisors (see below), whose sum is σ = 17577000. Its totient is φ = 3272192.

The previous prime is 8275213. The next prime is 8275229. The reversal of 8275220 is 225728.

It can be written as a sum of positive squares in 4 ways, for example, as 1731856 + 6543364 = 1316^2 + 2558^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 8275220.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8275229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 545 + ... + 4104.

It is an arithmetic number, because the mean of its divisors is an integer number (732375).

Almost surely, 2^8275220 is an apocalyptic number.

It is an amenable number.

8275220 is an abundant number, since it is smaller than the sum of its proper divisors (9301780).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8275220 is a wasteful number, since it uses less digits than its factorization.

8275220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4747 (or 4745 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 26.

The square root of 8275220 is about 2876.6682116643. The cubic root of 8275220 is about 202.2676907156.

The spelling of 8275220 in words is "eight million, two hundred seventy-five thousand, two hundred twenty".