7284228 has 48 divisors (see below), whose sum is σ = 20571264. Its totient is φ = 1958400.

The previous prime is 7284223. The next prime is 7284229. The reversal of 7284228 is 8224827.

It is not an unprimeable number, because it can be changed into a prime (7284223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1123 + ... + 3978.

It is an arithmetic number, because the mean of its divisors is an integer number (428568).

Almost surely, 2^7284228 is an apocalyptic number.

It is an amenable number.

7284228 is an abundant number, since it is smaller than the sum of its proper divisors (13287036).

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

7284228 is a wasteful number, since it uses less digits than its factorization.

7284228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5132 (or 5130 counting only the distinct ones).

The product of its digits is 14336, while the sum is 33.

The square root of 7284228 is about 2698.9308994489. The cubic root of 7284228 is about 193.8479341174.

The spelling of 7284228 in words is "seven million, two hundred eighty-four thousand, two hundred twenty-eight".