4276224 has 90 divisors (see below), whose sum is σ = 12779130. Its totient is φ = 1376256.

The previous prime is 4276213. The next prime is 4276241. The reversal of 4276224 is 4226724.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 3686400 + 589824 = 1920^2 + 768^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (3) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 147442 + ... + 147470.

Almost surely, 2^4276224 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4276224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6389565).

4276224 is an abundant number, since it is smaller than the sum of its proper divisors (8502906).

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

4276224 is an equidigital number, since it uses as much as digits as its factorization.

4276224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63 (or 34 counting only the distinct ones).

The product of its digits is 5376, while the sum is 27.

The square root of 4276224 is about 2067.9032859396. The cubic root of 4276224 is about 162.3130663035.

The spelling of 4276224 in words is "four million, two hundred seventy-six thousand, two hundred twenty-four".