7228416 has 88 divisors (see below), whose sum is σ = 20863024. Its totient is φ = 2211840.

The previous prime is 7228411. The next prime is 7228427. The reversal of 7228416 is 6148227.

It is not an unprimeable number, because it can be changed into a prime (7228411) 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, 39846 + ... + 40026.

Almost surely, 2^7228416 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 7228416, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10431512).

7228416 is an abundant number, since it is smaller than the sum of its proper divisors (13634608).

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

7228416 is a wasteful number, since it uses less digits than its factorization.

7228416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217 (or 199 counting only the distinct ones).

The product of its digits is 5376, while the sum is 30.

The square root of 7228416 is about 2688.5713678458. The cubic root of 7228416 is about 193.3515744448.

The spelling of 7228416 in words is "seven million, two hundred twenty-eight thousand, four hundred sixteen".