404822 has 8 divisors (see below), whose sum is σ = 662472. Its totient is φ = 184000.

The previous prime is 404819. The next prime is 404827. The reversal of 404822 is 228404.

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

It is a junction number, because it is equal to n+sod(n) for n = 404794 and 404803.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404827) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9179 + ... + 9222.

It is an arithmetic number, because the mean of its divisors is an integer number (82809).

2⁴⁰⁴⁸²² is an apocalyptic number.

404822 is a deficient number, since it is larger than the sum of its proper divisors (257650).

404822 is a wasteful number, since it uses less digits than its factorization.

404822 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18414.

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

The square root of 404822 is about 636.2562376904. The cubic root of 404822 is about 73.9755214873.

The spelling of 404822 in words is "four hundred four thousand, eight hundred twenty-two".