7288223 has 8 divisors (see below), whose sum is σ = 7926192. Its totient is φ = 6673536.

The previous prime is 7288213. The next prime is 7288231. The reversal of 7288223 is 3228827.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 7288223 - 2⁶ = 7288159 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 7288223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7288213) 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, 5165 + ... + 6422.

It is an arithmetic number, because the mean of its divisors is an integer number (990774).

Almost surely, 2^7288223 is an apocalyptic number.

7288223 is a deficient number, since it is larger than the sum of its proper divisors (637969).

7288223 is a wasteful number, since it uses less digits than its factorization.

7288223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11641.

The product of its digits is 10752, while the sum is 32.

The square root of 7288223 is about 2699.6709058698. The cubic root of 7288223 is about 193.8833659648.

The spelling of 7288223 in words is "seven million, two hundred eighty-eight thousand, two hundred twenty-three".