8272205 has 4 divisors (see below), whose sum is σ = 9926652. Its totient is φ = 6617760.

The previous prime is 8272189. The next prime is 8272219. The reversal of 8272205 is 5022728.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 857476 + 7414729 = 926^2 + 2723^2 .

It is not a de Polignac number, because 8272205 - 2⁴ = 8272189 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 827216 + ... + 827225.

It is an arithmetic number, because the mean of its divisors is an integer number (2481663).

Almost surely, 2^8272205 is an apocalyptic number.

It is an amenable number.

8272205 is a deficient number, since it is larger than the sum of its proper divisors (1654447).

8272205 is a wasteful number, since it uses less digits than its factorization.

8272205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1654446.

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

The square root of 8272205 is about 2876.1441201720. The cubic root of 8272205 is about 202.2431229432.

The spelling of 8272205 in words is "eight million, two hundred seventy-two thousand, two hundred five".