8220832 has 12 divisors (see below), whose sum is σ = 16184826. Its totient is φ = 4110400.

The previous prime is 8220803. The next prime is 8220851. The reversal of 8220832 is 2380228.

It can be written as a sum of positive squares in only one way, i.e., 8088336 + 132496 = 2844^2 + 364^2 .

It is a hoax number, since the sum of its digits (25) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 8220797 and 8220806.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 128419 + ... + 128482.

Almost surely, 2^8220832 is an apocalyptic number.

It is an amenable number.

8220832 is a deficient number, since it is larger than the sum of its proper divisors (7963994).

8220832 is a wasteful number, since it uses less digits than its factorization.

8220832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 256911 (or 256903 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 25.

The square root of 8220832 is about 2867.1993303571. The cubic root of 8220832 is about 201.8235887512.

The spelling of 8220832 in words is "eight million, two hundred twenty thousand, eight hundred thirty-two".