422822 has 8 divisors (see below), whose sum is σ = 638616. Its totient is φ = 209952.

The previous prime is 422803. The next prime is 422827. The reversal of 422822 is 228224.

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

It is a nialpdrome in base 15.

It is a junction number, because it is equal to n+sod(n) for n = 422794 and 422803.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422827) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 323 + ... + 974.

It is an arithmetic number, because the mean of its divisors is an integer number (79827).

2⁴²²⁸²² is an apocalyptic number.

422822 is a deficient number, since it is larger than the sum of its proper divisors (215794).

422822 is a wasteful number, since it uses less digits than its factorization.

422822 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1462.

The product of its digits is 512, while the sum is 20.

The square root of 422822 is about 650.2476451322. The cubic root of 422822 is about 75.0560765803.

The spelling of 422822 in words is "four hundred twenty-two thousand, eight hundred twenty-two".