4220448 has 24 divisors (see below), whose sum is σ = 11078928. Its totient is φ = 1406784.

The previous prime is 4220441. The next prime is 4220449. The reversal of 4220448 is 8440224.

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a d-powerful number, because it can be written as 4⁵ + 2⁵ + 2¹³ + 0 + 4⁷ + 4¹¹ + 8³ .

It is not an unprimeable number, because it can be changed into a prime (4220441) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21886 + ... + 22077.

It is an arithmetic number, because the mean of its divisors is an integer number (461622).

Almost surely, 2^4220448 is an apocalyptic number.

4220448 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

4220448 is an abundant number, since it is smaller than the sum of its proper divisors (6858480).

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

4220448 is a wasteful number, since it uses less digits than its factorization.

4220448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43976 (or 43968 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 24.

The square root of 4220448 is about 2054.3728970175. The cubic root of 4220448 is about 161.6042772452.

The spelling of 4220448 in words is "four million, two hundred twenty thousand, four hundred forty-eight".