1224438 has 32 divisors (see below), whose sum is σ = 2626560. Its totient is φ = 379680.

The previous prime is 1224437. The next prime is 1224439. The reversal of 1224438 is 8344221.

It is an interprime number because it is at equal distance from previous prime (1224437) and next prime (1224439).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1224437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5281 + ... + 5507.

It is an arithmetic number, because the mean of its divisors is an integer number (82080).

2^1224438 is an apocalyptic number.

1224438 is an abundant number, since it is smaller than the sum of its proper divisors (1402122).

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

1224438 is a wasteful number, since it uses less digits than its factorization.

1224438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 292.

The product of its digits is 1536, while the sum is 24.

The square root of 1224438 is about 1106.5432662124. The cubic root of 1224438 is about 106.9823827518.

Adding to 1224438 its reverse (8344221), we get a palindrome (9568659).

It can be divided in two parts, 122 and 4438, that added together give a triangular number (4560 = T₉₅).

The spelling of 1224438 in words is "one million, two hundred twenty-four thousand, four hundred thirty-eight".