7228338 has 16 divisors (see below), whose sum is σ = 15568896. Its totient is φ = 2224080.

The previous prime is 7228321. The next prime is 7228373. The reversal of 7228338 is 8338227.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 7228299 and 7228308.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46258 + ... + 46413.

It is an arithmetic number, because the mean of its divisors is an integer number (973056).

Almost surely, 2^7228338 is an apocalyptic number.

7228338 is a gapful number since it is divisible by the number (78) formed by its first and last digit.

7228338 is an abundant number, since it is smaller than the sum of its proper divisors (8340558).

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

7228338 is a wasteful number, since it uses less digits than its factorization.

7228338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92689.

The product of its digits is 16128, while the sum is 33.

The square root of 7228338 is about 2688.5568619615. The cubic root of 7228338 is about 193.3508789731.

The spelling of 7228338 in words is "seven million, two hundred twenty-eight thousand, three hundred thirty-eight".