422748 has 18 divisors (see below), whose sum is σ = 1068704. Its totient is φ = 140904.

The previous prime is 422711. The next prime is 422749. The reversal of 422748 is 847224.

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422749) 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 5 ways as a sum of consecutive naturals, for example, 5836 + ... + 5907.

2⁴²²⁷⁴⁸ is an apocalyptic number.

It is an amenable number.

422748 is an abundant number, since it is smaller than the sum of its proper divisors (645956).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

422748 is a wasteful number, since it uses less digits than its factorization.

422748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11753 (or 11748 counting only the distinct ones).

The product of its digits is 3584, while the sum is 27.

The square root of 422748 is about 650.1907412444. The cubic root of 422748 is about 75.0516976898.

The spelling of 422748 in words is "four hundred twenty-two thousand, seven hundred forty-eight".