7288222 has 8 divisors (see below), whose sum is σ = 11309400. Its totient is φ = 3518424.

The previous prime is 7288213. The next prime is 7288231. The reversal of 7288222 is 2228827.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (7288213) and next prime (7288231).

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 62772 + ... + 62887.

It is an arithmetic number, because the mean of its divisors is an integer number (1413675).

Almost surely, 2^7288222 is an apocalyptic number.

7288222 is a deficient number, since it is larger than the sum of its proper divisors (4021178).

7288222 is a wasteful number, since it uses less digits than its factorization.

7288222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125690.

The product of its digits is 7168, while the sum is 31.

The square root of 7288222 is about 2699.6707206621. The cubic root of 7288222 is about 193.8833570973.

The spelling of 7288222 in words is "seven million, two hundred eighty-eight thousand, two hundred twenty-two".