7230228 has 24 divisors (see below), whose sum is σ = 16947840. Its totient is φ = 2399040.

The previous prime is 7230221. The next prime is 7230229. The reversal of 7230228 is 8220327.

It is a junction number, because it is equal to n+sod(n) for n = 7230198 and 7230207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7230221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1608 + ... + 4128.

It is an arithmetic number, because the mean of its divisors is an integer number (706160).

Almost surely, 2^7230228 is an apocalyptic number.

It is an amenable number.

7230228 is an abundant number, since it is smaller than the sum of its proper divisors (9717612).

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

7230228 is a wasteful number, since it uses less digits than its factorization.

7230228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2767 (or 2765 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 24.

The square root of 7230228 is about 2688.9083286717. The cubic root of 7230228 is about 193.3677293803.

Subtracting 7230228 from its reverse (8220327), we obtain a palindrome (990099).

The spelling of 7230228 in words is "seven million, two hundred thirty thousand, two hundred twenty-eight".