7412224 has 40 divisors (see below), whose sum is σ = 15320448. Its totient is φ = 3578880.

The previous prime is 7412213. The next prime is 7412227. The reversal of 7412224 is 4222147.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 7412195 and 7412204.

It is not an unprimeable number, because it can be changed into a prime (7412227) by changing a digit.

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, 15639 + ... + 16105.

Almost surely, 2^7412224 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 7412224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7660224).

7412224 is an abundant number, since it is smaller than the sum of its proper divisors (7908224).

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

7412224 is an equidigital number, since it uses as much as digits as its factorization.

7412224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 516 (or 500 counting only the distinct ones).

The product of its digits is 896, while the sum is 22.

The square root of 7412224 is about 2722.5399905236. The cubic root of 7412224 is about 194.9767581328.

The spelling of 7412224 in words is "seven million, four hundred twelve thousand, two hundred twenty-four".