822474 has 20 divisors (see below), whose sum is σ = 1843314. Its totient is φ = 274104.

The previous prime is 822433. The next prime is 822517. The reversal of 822474 is 474228.

It can be written as a sum of positive squares in only one way, i.e., 480249 + 342225 = 693^2 + 585^2 .

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

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 2377 + ... + 2700.

2⁸²²⁴⁷⁴ is an apocalyptic number.

822474 is an abundant number, since it is smaller than the sum of its proper divisors (1020840).

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

822474 is a wasteful number, since it uses less digits than its factorization.

822474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5091 (or 5082 counting only the distinct ones).

The product of its digits is 3584, while the sum is 27.

The square root of 822474 is about 906.9035229836. The cubic root of 822474 is about 93.6930534159.

It can be divided in two parts, 822 and 474, that added together give a 4-th power (1296 = 6⁴).

The spelling of 822474 in words is "eight hundred twenty-two thousand, four hundred seventy-four".