8227172 has 12 divisors (see below), whose sum is σ = 14786940. Its totient is φ = 4002336.

The previous prime is 8227159. The next prime is 8227189. The reversal of 8227172 is 2717228.

It can be written as a sum of positive squares in 2 ways, for example, as 3182656 + 5044516 = 1784^2 + 2246^2 .

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, 27647 + ... + 27942.

It is an arithmetic number, because the mean of its divisors is an integer number (1232245).

Almost surely, 2^8227172 is an apocalyptic number.

It is an amenable number.

8227172 is a deficient number, since it is larger than the sum of its proper divisors (6559768).

8227172 is a wasteful number, since it uses less digits than its factorization.

8227172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55630 (or 55628 counting only the distinct ones).

The product of its digits is 3136, while the sum is 29.

The square root of 8227172 is about 2868.3047257919. The cubic root of 8227172 is about 201.8754583087.

The spelling of 8227172 in words is "eight million, two hundred twenty-seven thousand, one hundred seventy-two".