1224448 has 18 divisors (see below), whose sum is σ = 2444624. Its totient is φ = 612096.

The previous prime is 1224439. The next prime is 1224473. The reversal of 1224448 is 8444221.

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

It is a plaindrome in base 10.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2136 + ... + 2647.

2^1224448 is an apocalyptic number.

It is an amenable number.

1224448 is a deficient number, since it is larger than the sum of its proper divisors (1220176).

1224448 is an frugal number, since it uses more digits than its factorization.

1224448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4799 (or 4785 counting only the distinct ones).

The product of its digits is 2048, while the sum is 25.

The square root of 1224448 is about 1106.5477847793. The cubic root of 1224448 is about 106.9826739932.

Adding to 1224448 its reverse (8444221), we get a palindrome (9668669).

The spelling of 1224448 in words is "one million, two hundred twenty-four thousand, four hundred forty-eight".