422888 has 8 divisors (see below), whose sum is σ = 792930. Its totient is φ = 211440.

The previous prime is 422881. The next prime is 422893. The reversal of 422888 is 888224.

It can be written as a sum of positive squares in only one way, i.e., 334084 + 88804 = 578^2 + 298^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (422881) by changing a digit.

422888 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

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 as a sum of consecutive naturals, namely, 26423 + ... + 26438.

2⁴²²⁸⁸⁸ is an apocalyptic number.

It is an amenable number.

422888 is a deficient number, since it is larger than the sum of its proper divisors (370042).

422888 is a wasteful number, since it uses less digits than its factorization.

422888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52867 (or 52863 counting only the distinct ones).

The product of its digits is 8192, while the sum is 32.

The square root of 422888 is about 650.2983930474. The cubic root of 422888 is about 75.0599816462.

The spelling of 422888 in words is "four hundred twenty-two thousand, eight hundred eighty-eight".