1228448 has 24 divisors (see below), whose sum is σ = 2605428. Its totient is φ = 566784.

The previous prime is 1228441. The next prime is 1228457. The reversal of 1228448 is 8448221.

It can be written as a sum of positive squares in 2 ways, for example, as 1227664 + 784 = 1108^2 + 28^2 .

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 1228448.

It is not an unprimeable number, because it can be changed into a prime (1228441) 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, 1061 + ... + 1892.

2^1228448 is an apocalyptic number.

It is an amenable number.

1228448 is an abundant number, since it is smaller than the sum of its proper divisors (1376980).

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

1228448 is a wasteful number, since it uses less digits than its factorization.

1228448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2976 (or 2968 counting only the distinct ones).

The product of its digits is 4096, while the sum is 29.

The square root of 1228448 is about 1108.3537341481. The cubic root of 1228448 is about 107.0990435886.

The spelling of 1228448 in words is "one million, two hundred twenty-eight thousand, four hundred forty-eight".