4221430 has 16 divisors (see below), whose sum is σ = 7655760. Its totient is φ = 1675872.

The previous prime is 4221421. The next prime is 4221433. The reversal of 4221430 is 341224.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4221433) 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 7 ways as a sum of consecutive naturals, for example, 129 + ... + 2908.

It is an arithmetic number, because the mean of its divisors is an integer number (478485).

Almost surely, 2^4221430 is an apocalyptic number.

4221430 is a deficient number, since it is larger than the sum of its proper divisors (3434330).

4221430 is a wasteful number, since it uses less digits than its factorization.

4221430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3183.

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 4221430 is about 2054.6118854908. The cubic root of 4221430 is about 161.6168101243.

Adding to 4221430 its reverse (341224), we get a palindrome (4562654).

The spelling of 4221430 in words is "four million, two hundred twenty-one thousand, four hundred thirty".