450222 has 8 divisors (see below), whose sum is σ = 900456. Its totient is φ = 150072.

The previous prime is 450217. The next prime is 450223. The reversal of 450222 is 222054.

It is a sphenic number, since it is the product of 3 distinct primes.

450222 is an admirable number.

It is a congruent number.

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

450222 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

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 3 ways as a sum of consecutive naturals, for example, 37513 + ... + 37524.

It is an arithmetic number, because the mean of its divisors is an integer number (112557).

2⁴⁵⁰²²² is an apocalyptic number.

450222 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

450222 is a wasteful number, since it uses less digits than its factorization.

450222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75042.

The product of its (nonzero) digits is 160, while the sum is 15.

The square root of 450222 is about 670.9858418775. The cubic root of 450222 is about 76.6435427006.

Adding to 450222 its reverse (222054), we get a palindrome (672276).

The spelling of 450222 in words is "four hundred fifty thousand, two hundred twenty-two".