8228505 has 8 divisors (see below), whose sum is σ = 13165632. Its totient is φ = 4388528.

The previous prime is 8228497. The next prime is 8228513. The reversal of 8228505 is 5058228.

It is an interprime number because it is at equal distance from previous prime (8228497) and next prime (8228513).

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 8228505 - 2³ = 8228497 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 274269 + ... + 274298.

It is an arithmetic number, because the mean of its divisors is an integer number (1645704).

Almost surely, 2^8228505 is an apocalyptic number.

It is an amenable number.

8228505 is a deficient number, since it is larger than the sum of its proper divisors (4937127).

8228505 is a wasteful number, since it uses less digits than its factorization.

8228505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 548575.

The product of its (nonzero) digits is 6400, while the sum is 30.

The square root of 8228505 is about 2868.5370836020. The cubic root of 8228505 is about 201.8863606153.

The spelling of 8228505 in words is "eight million, two hundred twenty-eight thousand, five hundred five".