1224464 has 20 divisors (see below), whose sum is σ = 2398656. Its totient is φ = 605472.

The previous prime is 1224439. The next prime is 1224473. The reversal of 1224464 is 4644221.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1277 + ... + 2019.

2^1224464 is an apocalyptic number.

It is an amenable number.

1224464 is a deficient number, since it is larger than the sum of its proper divisors (1174192).

1224464 is a wasteful number, since it uses less digits than its factorization.

1224464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 854 (or 848 counting only the distinct ones).

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

The square root of 1224464 is about 1106.5550144480. Note that the first 3 decimals coincide. The cubic root of 1224464 is about 106.9831399760.

Adding to 1224464 its reverse (4644221), we get a palindrome (5868685).

The spelling of 1224464 in words is "one million, two hundred twenty-four thousand, four hundred sixty-four".