4221075 has 24 divisors (see below), whose sum is σ = 7285248. Its totient is φ = 2152480.

The previous prime is 4221047. The next prime is 4221109. The reversal of 4221075 is 5701224.

It is not a de Polignac number, because 4221075 - 2⁶ = 4221011 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 502 + ... + 2948.

It is an arithmetic number, because the mean of its divisors is an integer number (303552).

Almost surely, 2^4221075 is an apocalyptic number.

4221075 is a deficient number, since it is larger than the sum of its proper divisors (3064173).

4221075 is a wasteful number, since it uses less digits than its factorization.

4221075 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2483 (or 2478 counting only the distinct ones).

The product of its (nonzero) digits is 560, while the sum is 21.

The square root of 4221075 is about 2054.5254926625. The cubic root of 4221075 is about 161.6122796235.

Adding to 4221075 its reverse (5701224), we get a palindrome (9922299).

The spelling of 4221075 in words is "four million, two hundred twenty-one thousand, seventy-five".