8251227 has 40 divisors (see below), whose sum is σ = 13288704. Its totient is φ = 5089392.

The previous prime is 8251219. The next prime is 8251249. The reversal of 8251227 is 7221528.

It is not a de Polignac number, because 8251227 - 2³ = 8251219 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 8251227.

It is not an unprimeable number, because it can be changed into a prime (8251207) 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 39 ways as a sum of consecutive naturals, for example, 80058 + ... + 80160.

Almost surely, 2^8251227 is an apocalyptic number.

8251227 is a deficient number, since it is larger than the sum of its proper divisors (5037477).

8251227 is a wasteful number, since it uses less digits than its factorization.

8251227 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181 (or 172 counting only the distinct ones).

The product of its digits is 2240, while the sum is 27.

The square root of 8251227 is about 2872.4949086117. The cubic root of 8251227 is about 202.0720179113.

The spelling of 8251227 in words is "eight million, two hundred fifty-one thousand, two hundred twenty-seven".