822342 has 32 divisors (see below), whose sum is σ = 1762560. Its totient is φ = 255200.

The previous prime is 822329. The next prime is 822343. The reversal of 822342 is 243228.

It is a plaindrome in base 15.

It is a nialpdrome in base 7.

It is a zygodrome in base 7.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 822342.

It is not an unprimeable number, because it can be changed into a prime (822343) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8092 + ... + 8192.

It is an arithmetic number, because the mean of its divisors is an integer number (55080).

2⁸²²³⁴² is an apocalyptic number.

822342 is an abundant number, since it is smaller than the sum of its proper divisors (940218).

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

822342 is a wasteful number, since it uses less digits than its factorization.

822342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188.

The product of its digits is 768, while the sum is 21.

The square root of 822342 is about 906.8307449574. The cubic root of 822342 is about 93.6880408381.

The spelling of 822342 in words is "eight hundred twenty-two thousand, three hundred forty-two".