450228 has 24 divisors (see below), whose sum is σ = 1112832. Its totient is φ = 141184.

The previous prime is 450227. The next prime is 450239. The reversal of 450228 is 822054.

It is a nialpdrome in base 9.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (450223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 900 + ... + 1307.

It is an arithmetic number, because the mean of its divisors is an integer number (46368).

2⁴⁵⁰²²⁸ is an apocalyptic number.

It is an amenable number.

450228 is an abundant number, since it is smaller than the sum of its proper divisors (662604).

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

450228 is a wasteful number, since it uses less digits than its factorization.

450228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2231 (or 2229 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 21.

The square root of 450228 is about 670.9903128958. The cubic root of 450228 is about 76.6438831690.

The spelling of 450228 in words is "four hundred fifty thousand, two hundred twenty-eight".