4221673 has 12 divisors (see below), whose sum is σ = 4575744. Its totient is φ = 3887400.

The previous prime is 4221671. The next prime is 4221677. The reversal of 4221673 is 3761224.

It is not a de Polignac number, because 4221673 - 2¹ = 4221671 is a prime.

It is a d-powerful number, because it can be written as 4¹¹ + 2³ + 2¹¹ + 1 + 6⁵ + 7⁵ + 3⁶ .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4221671) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22008 + ... + 22198.

It is an arithmetic number, because the mean of its divisors is an integer number (381312).

Almost surely, 2^4221673 is an apocalyptic number.

It is an amenable number.

4221673 is a deficient number, since it is larger than the sum of its proper divisors (354071).

4221673 is a wasteful number, since it uses less digits than its factorization.

4221673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 276 (or 245 counting only the distinct ones).

The product of its digits is 2016, while the sum is 25.

The square root of 4221673 is about 2054.6710198959. The cubic root of 4221673 is about 161.6199111376.

Adding to 4221673 its reverse (3761224), we get a palindrome (7982897).

The spelling of 4221673 in words is "four million, two hundred twenty-one thousand, six hundred seventy-three".