8221930 has 16 divisors (see below), whose sum is σ = 14834304. Its totient is φ = 3281040.

The previous prime is 8221921. The next prime is 8221937. The reversal of 8221930 is 391228.

It is a junction number, because it is equal to n+sod(n) for n = 8221895 and 8221904.

It is not an unprimeable number, because it can be changed into a prime (8221937) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5659 + ... + 6961.

It is an arithmetic number, because the mean of its divisors is an integer number (927144).

Almost surely, 2^8221930 is an apocalyptic number.

8221930 is a deficient number, since it is larger than the sum of its proper divisors (6612374).

8221930 is a wasteful number, since it uses less digits than its factorization.

8221930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1941.

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 8221930 is about 2867.3908000131. The cubic root of 8221930 is about 201.8325737475.

The spelling of 8221930 in words is "eight million, two hundred twenty-one thousand, nine hundred thirty".