454220 has 24 divisors (see below), whose sum is σ = 1027824. Its totient is φ = 167616.

The previous prime is 454219. The next prime is 454229. The reversal of 454220 is 22454.

It is an Ulam number.

It is a nialpdrome in base 14.

It is not an unprimeable number, because it can be changed into a prime (454229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 614 + ... + 1133.

It is an arithmetic number, because the mean of its divisors is an integer number (42826).

2⁴⁵⁴²²⁰ is an apocalyptic number.

It is an amenable number.

454220 is an abundant number, since it is smaller than the sum of its proper divisors (573604).

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

454220 is a wasteful number, since it uses less digits than its factorization.

454220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1769 (or 1767 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 17.

The square root of 454220 is about 673.9584556929. The cubic root of 454220 is about 76.8697409759.

Adding to 454220 its reverse (22454), we get a palindrome (476674).

The spelling of 454220 in words is "four hundred fifty-four thousand, two hundred twenty".