822825 has 48 divisors (see below), whose sum is σ = 1607040. Its totient is φ = 411840.

The previous prime is 822823. The next prime is 822839. The reversal of 822825 is 528228.

It is not a de Polignac number, because 822825 - 2¹ = 822823 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

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 47 ways as a sum of consecutive naturals, for example, 15499 + ... + 15551.

It is an arithmetic number, because the mean of its divisors is an integer number (33480).

2⁸²²⁸²⁵ is an apocalyptic number.

It is an amenable number.

822825 is a deficient number, since it is larger than the sum of its proper divisors (784215).

822825 is a wasteful number, since it uses less digits than its factorization.

822825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95 (or 84 counting only the distinct ones).

The product of its digits is 2560, while the sum is 27.

The square root of 822825 is about 907.0970179645. The cubic root of 822825 is about 93.7063797074.

The spelling of 822825 in words is "eight hundred twenty-two thousand, eight hundred twenty-five".