222829 has 4 divisors (see below), whose sum is σ = 223776. Its totient is φ = 221884.

The previous prime is 222823. The next prime is 222839. The reversal of 222829 is 928222.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 222829 - 2⁹ = 222317 is a prime.

It is a Duffinian number.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222823) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 192 + ... + 694.

It is an arithmetic number, because the mean of its divisors is an integer number (55944).

2²²²⁸²⁹ is an apocalyptic number.

It is an amenable number.

222829 is a deficient number, since it is larger than the sum of its proper divisors (947).

222829 is an equidigital number, since it uses as much as digits as its factorization.

222829 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 946.

The product of its digits is 1152, while the sum is 25.

The square root of 222829 is about 472.0476670846. The cubic root of 222829 is about 60.6257657465.

The spelling of 222829 in words is "two hundred twenty-two thousand, eight hundred twenty-nine".