7226224 has 40 divisors (see below), whose sum is σ = 15320448. Its totient is φ = 3287040.

The previous prime is 7226201. The next prime is 7226227. The reversal of 7226224 is 4226227.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7226227) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 8004 + ... + 8860.

Almost surely, 2^7226224 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 7226224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7660224).

7226224 is an abundant number, since it is smaller than the sum of its proper divisors (8094224).

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

7226224 is a wasteful number, since it uses less digits than its factorization.

7226224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 913 (or 907 counting only the distinct ones).

The product of its digits is 2688, while the sum is 25.

The square root of 7226224 is about 2688.1636854924. The cubic root of 7226224 is about 193.3320280002.

The spelling of 7226224 in words is "seven million, two hundred twenty-six thousand, two hundred twenty-four".