8220308 has 12 divisors (see below), whose sum is σ = 14421120. Its totient is φ = 4099992.

The previous prime is 8220287. The next prime is 8220313. The reversal of 8220308 is 8030228.

It is a super-2 number, since 2×8220308² = 135146927229728, which contains 22 as substring.

It is a congruent number.

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, 548 + ... + 4091.

It is an arithmetic number, because the mean of its divisors is an integer number (1201760).

Almost surely, 2^8220308 is an apocalyptic number.

It is an amenable number.

8220308 is a deficient number, since it is larger than the sum of its proper divisors (6200812).

8220308 is a wasteful number, since it uses less digits than its factorization.

8220308 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5086 (or 5084 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 23.

The square root of 8220308 is about 2867.1079505313. The cubic root of 8220308 is about 201.8193005474.

The spelling of 8220308 in words is "eight million, two hundred twenty thousand, three hundred eight".