822465 has 36 divisors (see below), whose sum is σ = 1662804. Its totient is φ = 374976.

The previous prime is 822433. The next prime is 822517. The reversal of 822465 is 564228.

It can be written as a sum of positive squares in 2 ways, for example, as 370881 + 451584 = 609^2 + 672^2 .

It is not a de Polignac number, because 822465 - 2⁵ = 822433 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 2019 + ... + 2391.

It is an arithmetic number, because the mean of its divisors is an integer number (46189).

2⁸²²⁴⁶⁵ is an apocalyptic number.

It is an amenable number.

822465 is an abundant number, since it is smaller than the sum of its proper divisors (840339).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

822465 is a wasteful number, since it uses less digits than its factorization.

822465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 398 (or 388 counting only the distinct ones).

The product of its digits is 3840, while the sum is 27.

The square root of 822465 is about 906.8985610309. The cubic root of 822465 is about 93.6927116663.

The spelling of 822465 in words is "eight hundred twenty-two thousand, four hundred sixty-five".