3623224 has 48 divisors (see below), whose sum is σ = 7900200. Its totient is φ = 1552320.

The previous prime is 3623203. The next prime is 3623237. The reversal of 3623224 is 4223263.

It is a happy number.

3623224 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 3623195 and 3623204.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 18294 + ... + 18490.

Almost surely, 2^3623224 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 3623224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3950100).

3623224 is an abundant number, since it is smaller than the sum of its proper divisors (4276976).

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

3623224 is a wasteful number, since it uses less digits than its factorization.

3623224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244 (or 229 counting only the distinct ones).

The product of its digits is 1728, while the sum is 22.

The square root of 3623224 is about 1903.4768188764. The cubic root of 3623224 is about 153.5907501302.

Adding to 3623224 its reverse (4223263), we get a palindrome (7846487).

The spelling of 3623224 in words is "three million, six hundred twenty-three thousand, two hundred twenty-four".