4221124 has 12 divisors (see below), whose sum is σ = 7641900. Its totient is φ = 2037728.

The previous prime is 4221109. The next prime is 4221169. The reversal of 4221124 is 4211224.

It can be written as a sum of positive squares in 2 ways, for example, as 3356224 + 864900 = 1832^2 + 930^2 .

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 4221098 and 4221107.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 18079 + ... + 18310.

It is an arithmetic number, because the mean of its divisors is an integer number (636825).

Almost surely, 2^4221124 is an apocalyptic number.

It is an amenable number.

4221124 is a deficient number, since it is larger than the sum of its proper divisors (3420776).

4221124 is a wasteful number, since it uses less digits than its factorization.

4221124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36422 (or 36420 counting only the distinct ones).

The product of its digits is 128, while the sum is 16.

The square root of 4221124 is about 2054.5374175225. The cubic root of 4221124 is about 161.6129049754.

Adding to 4221124 its reverse (4211224), we get a palindrome (8432348).

The spelling of 4221124 in words is "four million, two hundred twenty-one thousand, one hundred twenty-four".