7228250 has 32 divisors (see below), whose sum is σ = 14011920. Its totient is φ = 2788800.

The previous prime is 7228237. The next prime is 7228253. The reversal of 7228250 is 528227.

It can be written as a sum of positive squares in 8 ways, for example, as 1062961 + 6165289 = 1031^2 + 2483^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (7228253) 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 15 ways as a sum of consecutive naturals, for example, 6752 + ... + 7748.

Almost surely, 2^7228250 is an apocalyptic number.

7228250 is a deficient number, since it is larger than the sum of its proper divisors (6783670).

7228250 is a wasteful number, since it uses less digits than its factorization.

7228250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1043 (or 1033 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 26.

The square root of 7228250 is about 2688.5404962544. The cubic root of 7228250 is about 193.3500943323.

The spelling of 7228250 in words is "seven million, two hundred twenty-eight thousand, two hundred fifty".