7548228 has 30 divisors (see below), whose sum is σ = 19733406. Its totient is φ = 2515968.

The previous prime is 7548227. The next prime is 7548241. The reversal of 7548228 is 8228457.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 4981824 + 2566404 = 2232^2 + 1602^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 7548192 and 7548201.

It is not an unprimeable number, because it can be changed into a prime (7548227) 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 9 ways as a sum of consecutive naturals, for example, 11325 + ... + 11972.

Almost surely, 2^7548228 is an apocalyptic number.

It is an amenable number.

7548228 is an abundant number, since it is smaller than the sum of its proper divisors (12185178).

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

7548228 is a wasteful number, since it uses less digits than its factorization.

7548228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23313 (or 23302 counting only the distinct ones).

The product of its digits is 35840, while the sum is 36.

The square root of 7548228 is about 2747.4038654701. The cubic root of 7548228 is about 196.1620553392.

It can be divided in two parts, 7548 and 228, that added together give a 5-th power (7776 = 6⁵).

The spelling of 7548228 in words is "seven million, five hundred forty-eight thousand, two hundred twenty-eight".