297228 has 48 divisors (see below), whose sum is σ = 774144. Its totient is φ = 88320.

The previous prime is 297191. The next prime is 297233. The reversal of 297228 is 822792.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 297195 and 297204.

It is an unprimeable number.

297228 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6301 + ... + 6347.

It is an arithmetic number, because the mean of its divisors is an integer number (16128).

2²⁹⁷²²⁸ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 297228, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (387072).

297228 is an abundant number, since it is smaller than the sum of its proper divisors (476916).

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

297228 is a wasteful number, since it uses less digits than its factorization.

297228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102 (or 100 counting only the distinct ones).

The product of its digits is 4032, while the sum is 30.

The square root of 297228 is about 545.1862067221. The cubic root of 297228 is about 66.7364713286.

It can be divided in two parts, 297 and 228, that added together give a palindrome (525).

The spelling of 297228 in words is "two hundred ninety-seven thousand, two hundred twenty-eight".