7500228 has 24 divisors (see below), whose sum is σ = 17559360. Its totient is φ = 2491680.

The previous prime is 7500223. The next prime is 7500271. The reversal of 7500228 is 8220057.

It is a junction number, because it is equal to n+sod(n) for n = 7500198 and 7500207.

It is not an unprimeable number, because it can be changed into a prime (7500221) 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, 3438 + ... + 5178.

It is an arithmetic number, because the mean of its divisors is an integer number (731640).

Almost surely, 2^7500228 is an apocalyptic number.

It is an amenable number.

7500228 is an abundant number, since it is smaller than the sum of its proper divisors (10059132).

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

7500228 is a wasteful number, since it uses less digits than its factorization.

7500228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2107 (or 2105 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 24.

The square root of 7500228 is about 2738.6544141238. The cubic root of 7500228 is about 195.7453655713.

The spelling of 7500228 in words is "seven million, five hundred thousand, two hundred twenty-eight".