8223189 has 32 divisors (see below), whose sum is σ = 12741120. Its totient is φ = 4672512.

The previous prime is 8223179. The next prime is 8223197. The reversal of 8223189 is 9813228.

It is not a de Polignac number, because 8223189 - 2⁵ = 8223157 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8223119) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 52299 + ... + 52455.

It is an arithmetic number, because the mean of its divisors is an integer number (398160).

Almost surely, 2^8223189 is an apocalyptic number.

It is an amenable number.

8223189 is a deficient number, since it is larger than the sum of its proper divisors (4517931).

8223189 is a wasteful number, since it uses less digits than its factorization.

8223189 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 269.

The product of its digits is 6912, while the sum is 33.

The square root of 8223189 is about 2867.6103291765. The cubic root of 8223189 is about 201.8428752315.

The spelling of 8223189 in words is "eight million, two hundred twenty-three thousand, one hundred eighty-nine".