7716228 has 24 divisors (see below), whose sum is σ = 19389888. Its totient is φ = 2374176.

The previous prime is 7716199. The next prime is 7716229. The reversal of 7716228 is 8226177.

It is not an unprimeable number, because it can be changed into a prime (7716229) by changing a digit.

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, 24576 + ... + 24887.

It is an arithmetic number, because the mean of its divisors is an integer number (807912).

Almost surely, 2^7716228 is an apocalyptic number.

7716228 is a gapful number since it is divisible by the number (78) formed by its first and last digit.

It is an amenable number.

7716228 is an abundant number, since it is smaller than the sum of its proper divisors (11673660).

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

7716228 is a wasteful number, since it uses less digits than its factorization.

7716228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49483 (or 49481 counting only the distinct ones).

The product of its digits is 9408, while the sum is 33.

The square root of 7716228 is about 2777.8099287028. The cubic root of 7716228 is about 197.6067083453.

The spelling of 7716228 in words is "seven million, seven hundred sixteen thousand, two hundred twenty-eight".