450822 has 16 divisors (see below), whose sum is σ = 908352. Its totient is φ = 149160.

The previous prime is 450817. The next prime is 450829. The reversal of 450822 is 228054.

450822 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (450829) by changing a digit.

450822 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 7 ways as a sum of consecutive naturals, for example, 1197 + ... + 1527.

It is an arithmetic number, because the mean of its divisors is an integer number (56772).

2⁴⁵⁰⁸²² is an apocalyptic number.

450822 is an abundant number, since it is smaller than the sum of its proper divisors (457530).

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

450822 is a wasteful number, since it uses less digits than its factorization.

450822 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 563.

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

The square root of 450822 is about 671.4327963393. The cubic root of 450822 is about 76.6775745874.

Adding to 450822 its reverse (228054), we get a palindrome (678876).

The spelling of 450822 in words is "four hundred fifty thousand, eight hundred twenty-two".