4144220 has 24 divisors (see below), whose sum is σ = 8742384. Its totient is φ = 1650176.

The previous prime is 4144201. The next prime is 4144237. The reversal of 4144220 is 224414.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6767 + ... + 7353.

It is an arithmetic number, because the mean of its divisors is an integer number (364266).

Almost surely, 2^4144220 is an apocalyptic number.

It is an amenable number.

4144220 is an abundant number, since it is smaller than the sum of its proper divisors (4598164).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4144220 is a wasteful number, since it uses less digits than its factorization.

4144220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 949 (or 947 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 17.

The square root of 4144220 is about 2035.7357392353. The cubic root of 4144220 is about 160.6254167350.

Adding to 4144220 its reverse (224414), we get a palindrome (4368634).

The spelling of 4144220 in words is "four million, one hundred forty-four thousand, two hundred twenty".