3072224 has 48 divisors (see below), whose sum is σ = 6612480. Its totient is φ = 1399680.

The previous prime is 3072211. The next prime is 3072227. The reversal of 3072224 is 4222703.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 3072196 and 3072205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3072227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18767 + ... + 18929.

It is an arithmetic number, because the mean of its divisors is an integer number (137760).

Almost surely, 2^3072224 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 3072224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3306240).

3072224 is an abundant number, since it is smaller than the sum of its proper divisors (3540256).

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

3072224 is a wasteful number, since it uses less digits than its factorization.

3072224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 223 (or 215 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 20.

The square root of 3072224 is about 1752.7760838168. The cubic root of 3072224 is about 145.3731806307.

Adding to 3072224 its reverse (4222703), we get a palindrome (7294927).

The spelling of 3072224 in words is "three million, seventy-two thousand, two hundred twenty-four".