1022448 has 80 divisors (see below), whose sum is σ = 3214080. Its totient is φ = 273408.

The previous prime is 1022443. The next prime is 1022449. The reversal of 1022448 is 8442201.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an Ulam number.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1022443) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5623 + ... + 5801.

It is an arithmetic number, because the mean of its divisors is an integer number (40176).

2^1022448 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 1022448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1607040).

1022448 is an abundant number, since it is smaller than the sum of its proper divisors (2191632).

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

1022448 is a wasteful number, since it uses less digits than its factorization.

1022448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 214 (or 208 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 21.

The square root of 1022448 is about 1011.1617081357. The cubic root of 1022448 is about 100.7427364347.

Adding to 1022448 its reverse (8442201), we get a palindrome (9464649).

The spelling of 1022448 in words is "one million, twenty-two thousand, four hundred forty-eight".