822505 has 8 divisors (see below), whose sum is σ = 993600. Its totient is φ = 653616.

The previous prime is 822433. The next prime is 822517. The reversal of 822505 is 505228.

822505 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 822505 - 2⁹ = 821993 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 436 + ... + 1354.

It is an arithmetic number, because the mean of its divisors is an integer number (124200).

2⁸²²⁵⁰⁵ is an apocalyptic number.

It is an amenable number.

822505 is a deficient number, since it is larger than the sum of its proper divisors (171095).

822505 is a wasteful number, since it uses less digits than its factorization.

822505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1103.

The product of its (nonzero) digits is 800, while the sum is 22.

The square root of 822505 is about 906.9206139459. The cubic root of 822505 is about 93.6942305345.

The spelling of 822505 in words is "eight hundred twenty-two thousand, five hundred five".