4221002 has 16 divisors (see below), whose sum is σ = 6730560. Its totient is φ = 1979712.

The previous prime is 4220987. The next prime is 4221011. The reversal of 4221002 is 2001224.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3803 + ... + 4785.

It is an arithmetic number, because the mean of its divisors is an integer number (420660).

Almost surely, 2^4221002 is an apocalyptic number.

4221002 is a deficient number, since it is larger than the sum of its proper divisors (2509558).

4221002 is a wasteful number, since it uses less digits than its factorization.

4221002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1117.

The product of its (nonzero) digits is 32, while the sum is 11.

The square root of 4221002 is about 2054.5077269263. The cubic root of 4221002 is about 161.6113479679.

Adding to 4221002 its reverse (2001224), we get a palindrome (6222226).

The spelling of 4221002 in words is "four million, two hundred twenty-one thousand, two".