422804 has 6 divisors (see below), whose sum is σ = 739914. Its totient is φ = 211400.

The previous prime is 422803. The next prime is 422827. The reversal of 422804 is 408224.

It can be written as a sum of positive squares in only one way, i.e., 300304 + 122500 = 548^2 + 350^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422803) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52847 + ... + 52854.

It is an arithmetic number, because the mean of its divisors is an integer number (123319).

2⁴²²⁸⁰⁴ is an apocalyptic number.

It is an amenable number.

422804 is a deficient number, since it is larger than the sum of its proper divisors (317110).

422804 is a wasteful number, since it uses less digits than its factorization.

422804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105705 (or 105703 counting only the distinct ones).

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

The square root of 422804 is about 650.2338041043. The cubic root of 422804 is about 75.0550114918.

The spelling of 422804 in words is "four hundred twenty-two thousand, eight hundred four".