422588 has 12 divisors (see below), whose sum is σ = 765240. Its totient is φ = 203952.

The previous prime is 422581. The next prime is 422621. The reversal of 422588 is 885224.

It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a self number, because there is not a number n which added to its sum of digits gives 422588.

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 422588.

It is not an unprimeable number, because it can be changed into a prime (422581) by changing a digit.

422588 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 in 3 ways as a sum of consecutive naturals, for example, 1706 + ... + 1937.

It is an arithmetic number, because the mean of its divisors is an integer number (63770).

2⁴²²⁵⁸⁸ is an apocalyptic number.

It is an amenable number.

422588 is a deficient number, since it is larger than the sum of its proper divisors (342652).

422588 is a wasteful number, since it uses less digits than its factorization.

422588 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3676 (or 3674 counting only the distinct ones).

The product of its digits is 5120, while the sum is 29.

The square root of 422588 is about 650.0676887833. The cubic root of 422588 is about 75.0422280713.

The spelling of 422588 in words is "four hundred twenty-two thousand, five hundred eighty-eight".