7533228 has 24 divisors (see below), whose sum is σ = 17744832. Its totient is φ = 2487184.

The previous prime is 7533223. The next prime is 7533247. The reversal of 7533228 is 8223357.

It is a d-powerful number, because it can be written as 7³ + 5⁶ + 3⁴ + 3¹¹ + 2²⁰ + 2²² + 8⁷ .

It is a junction number, because it is equal to n+sod(n) for n = 7533195 and 7533204.

It is not an unprimeable number, because it can be changed into a prime (7533221) 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 7 ways as a sum of consecutive naturals, for example, 1650 + ... + 4217.

It is an arithmetic number, because the mean of its divisors is an integer number (739368).

Almost surely, 2^7533228 is an apocalyptic number.

It is an amenable number.

7533228 is an abundant number, since it is smaller than the sum of its proper divisors (10211604).

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

7533228 is a wasteful number, since it uses less digits than its factorization.

7533228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5981 (or 5979 counting only the distinct ones).

The product of its digits is 10080, while the sum is 30.

The square root of 7533228 is about 2744.6726580778. The cubic root of 7533228 is about 196.0320300285.

The spelling of 7533228 in words is "seven million, five hundred thirty-three thousand, two hundred twenty-eight".