8228646 has 24 divisors (see below), whose sum is σ = 18878184. Its totient is φ = 2581440.

The previous prime is 8228603. The next prime is 8228651. The reversal of 8228646 is 6468228.

8228646 = 539² + 540² + ... + 565².

8228646 is a `hidden beast` number, since 8 + 2 + 2 + 8 + 646 = 666.

It is a super-2 number, since 2×8228646² = 135421229986632, which contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 8228646.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13140 + ... + 13751.

It is an arithmetic number, because the mean of its divisors is an integer number (786591).

Almost surely, 2^8228646 is an apocalyptic number.

8228646 is an abundant number, since it is smaller than the sum of its proper divisors (10649538).

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

8228646 is a wasteful number, since it uses less digits than its factorization.

8228646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26916 (or 26913 counting only the distinct ones).

The product of its digits is 36864, while the sum is 36.

The square root of 8228646 is about 2868.5616604842. The cubic root of 8228646 is about 201.8875137536.

The spelling of 8228646 in words is "eight million, two hundred twenty-eight thousand, six hundred forty-six".