7228116 has 60 divisors (see below), whose sum is σ = 21601888. Its totient is φ = 2064528.

The previous prime is 7228093. The next prime is 7228121. The reversal of 7228116 is 6118227.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a nialpdrome in base 14.

It is a self number, because there is not a number n which added to its sum of digits gives 7228116.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 675 + ... + 3861.

Almost surely, 2^7228116 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 7228116, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10800944).

7228116 is an abundant number, since it is smaller than the sum of its proper divisors (14373772).

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

7228116 is a wasteful number, since it uses less digits than its factorization.

7228116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3210 (or 3199 counting only the distinct ones).

The product of its digits is 1344, while the sum is 27.

The square root of 7228116 is about 2688.5155755547. The cubic root of 7228116 is about 193.3488995262.

The spelling of 7228116 in words is "seven million, two hundred twenty-eight thousand, one hundred sixteen".