8229223 has 4 divisors (see below), whose sum is σ = 8662360. Its totient is φ = 7796088.

The previous prime is 8229191. The next prime is 8229253. The reversal of 8229223 is 3229228.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 8229223 - 2⁵ = 8229191 is a prime.

It is a super-2 number, since 2×8229223² = 135440222367458, which contains 22 as substring.

It is a Duffinian number.

8229223 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 8229191 and 8229200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8229253) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 216540 + ... + 216577.

It is an arithmetic number, because the mean of its divisors is an integer number (2165590).

Almost surely, 2^8229223 is an apocalyptic number.

8229223 is a deficient number, since it is larger than the sum of its proper divisors (433137).

8229223 is a wasteful number, since it uses less digits than its factorization.

8229223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 433136.

The product of its digits is 3456, while the sum is 28.

The square root of 8229223 is about 2868.6622317729. The cubic root of 8229223 is about 201.8922324876.

The spelling of 8229223 in words is "eight million, two hundred twenty-nine thousand, two hundred twenty-three".