822994 has 8 divisors (see below), whose sum is σ = 1242828. Its totient is φ = 408720.

The previous prime is 822989. The next prime is 823001. The reversal of 822994 is 499228.

822994 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 819025 + 3969 = 905^2 + 63^2 .

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

It is an unprimeable number.

822994 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 997 + ... + 1624.

2⁸²²⁹⁹⁴ is an apocalyptic number.

822994 is a deficient number, since it is larger than the sum of its proper divisors (419834).

822994 is a wasteful number, since it uses less digits than its factorization.

822994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2780.

The product of its digits is 10368, while the sum is 34.

The square root of 822994 is about 907.1901674952. The cubic root of 822994 is about 93.7127947183.

The spelling of 822994 in words is "eight hundred twenty-two thousand, nine hundred ninety-four".