448220 has 24 divisors (see below), whose sum is σ = 957264. Its totient is φ = 176256.

The previous prime is 448207. The next prime is 448241. The reversal of 448220 is 22844.

448220 = T₉₁ + T₉₂ + ... + T₁₅₀.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 448192 and 448201.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 448220.

It is an unprimeable number.

448220 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, 1307 + ... + 1613.

It is an arithmetic number, because the mean of its divisors is an integer number (39886).

2⁴⁴⁸²²⁰ is an apocalyptic number.

It is an amenable number.

448220 is an abundant number, since it is smaller than the sum of its proper divisors (509044).

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

448220 is a wasteful number, since it uses less digits than its factorization.

448220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 389 (or 387 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

The square root of 448220 is about 669.4923449898. The cubic root of 448220 is about 76.5297704059.

The spelling of 448220 in words is "four hundred forty-eight thousand, two hundred twenty".