8192220 has 24 divisors (see below), whose sum is σ = 22938384. Its totient is φ = 2184576.

The previous prime is 8192201. The next prime is 8192237. The reversal of 8192220 is 222918.

It is a super-2 number, since 2×8192220² = 134224937056800, which contains 22 as substring.

It is a congruent number.

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 in 7 ways as a sum of consecutive naturals, for example, 68209 + ... + 68328.

It is an arithmetic number, because the mean of its divisors is an integer number (955766).

Almost surely, 2^8192220 is an apocalyptic number.

It is an amenable number.

8192220 is an abundant number, since it is smaller than the sum of its proper divisors (14746164).

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

8192220 is a wasteful number, since it uses less digits than its factorization.

8192220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136549 (or 136547 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 24.

The square root of 8192220 is about 2862.2054433601. The cubic root of 8192220 is about 201.5891725414.

The spelling of 8192220 in words is "eight million, one hundred ninety-two thousand, two hundred twenty".