822827 has 4 divisors (see below), whose sum is σ = 835176. Its totient is φ = 810480.

The previous prime is 822823. The next prime is 822839. The reversal of 822827 is 728228.

822827 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 822827 - 2² = 822823 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 822827.

It is not an unprimeable number, because it can be changed into a prime (822821) 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, 6074 + ... + 6207.

It is an arithmetic number, because the mean of its divisors is an integer number (208794).

2⁸²²⁸²⁷ is an apocalyptic number.

822827 is a deficient number, since it is larger than the sum of its proper divisors (12349).

822827 is a wasteful number, since it uses less digits than its factorization.

822827 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12348.

The product of its digits is 3584, while the sum is 29.

The square root of 822827 is about 907.0981203817. The cubic root of 822827 is about 93.7064556298.

The spelling of 822827 in words is "eight hundred twenty-two thousand, eight hundred twenty-seven".