492228 has 54 divisors (see below), whose sum is σ = 1379742. Its totient is φ = 147840.

The previous prime is 492227. The next prime is 492251. The reversal of 492228 is 822294.

It can be written as a sum of positive squares in only one way, i.e., 278784 + 213444 = 528^2 + 462^2 .

It is a nialpdrome in base 14.

It is not an unprimeable number, because it can be changed into a prime (492227) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 4300 + ... + 4412.

2⁴⁹²²²⁸ 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 492228, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (689871).

492228 is an abundant number, since it is smaller than the sum of its proper divisors (887514).

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

492228 is a wasteful number, since it uses less digits than its factorization.

492228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145 (or 129 counting only the distinct ones).

The product of its digits is 2304, while the sum is 27.

The square root of 492228 is about 701.5896236405. The cubic root of 492228 is about 78.9566605203.

It can be divided in two parts, 4922 and 28, that added together give a triangular number (4950 = T₉₉).

The spelling of 492228 in words is "four hundred ninety-two thousand, two hundred twenty-eight".