4221875 has 24 divisors (see below), whose sum is σ = 6062112. Its totient is φ = 2880000.

The previous prime is 4221851. The next prime is 4221883. The reversal of 4221875 is 5781224.

It is not a de Polignac number, because 4221875 - 2⁸ = 4221619 is a prime.

It is an unprimeable 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 23 ways as a sum of consecutive naturals, for example, 21779 + ... + 21971.

It is an arithmetic number, because the mean of its divisors is an integer number (252588).

Almost surely, 2^4221875 is an apocalyptic number.

4221875 is a deficient number, since it is larger than the sum of its proper divisors (1840237).

4221875 is an frugal number, since it uses more digits than its factorization.

4221875 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225 (or 205 counting only the distinct ones).

The product of its digits is 4480, while the sum is 29.

The square root of 4221875 is about 2054.7201755957. The cubic root of 4221875 is about 161.6224888441.

The spelling of 4221875 in words is "four million, two hundred twenty-one thousand, eight hundred seventy-five".