3220448 has 48 divisors (see below), whose sum is σ = 7910784. Its totient is φ = 1253760.

The previous prime is 3220447. The next prime is 3220453. The reversal of 3220448 is 8440223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3220447) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1811 + ... + 3117.

It is an arithmetic number, because the mean of its divisors is an integer number (164808).

Almost surely, 2^3220448 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3220448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3955392).

3220448 is an abundant number, since it is smaller than the sum of its proper divisors (4690336).

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

3220448 is a wasteful number, since it uses less digits than its factorization.

3220448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1335 (or 1327 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 23.

The square root of 3220448 is about 1794.5606704706. The cubic root of 3220448 is about 147.6744732293.

The spelling of 3220448 in words is "three million, two hundred twenty thousand, four hundred forty-eight".