823229 has 8 divisors (see below), whose sum is σ = 912288. Its totient is φ = 736560.

The previous prime is 823219. The next prime is 823231. The reversal of 823229 is 922328.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 823229 - 2⁸ = 822973 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 823198 and 823207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (823219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 179 + ... + 1295.

It is an arithmetic number, because the mean of its divisors is an integer number (114036).

2⁸²³²²⁹ is an apocalyptic number.

It is an amenable number.

823229 is a deficient number, since it is larger than the sum of its proper divisors (89059).

823229 is a wasteful number, since it uses less digits than its factorization.

823229 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1195.

The product of its digits is 1728, while the sum is 26.

The square root of 823229 is about 907.3196790547. The cubic root of 823229 is about 93.7217135403.

Subtracting 823229 from its reverse (922328), we obtain a palindrome (99099).

The spelling of 823229 in words is "eight hundred twenty-three thousand, two hundred twenty-nine".