1224238 has 8 divisors (see below), whose sum is σ = 1944432. Its totient is φ = 576096.

The previous prime is 1224233. The next prime is 1224239. The reversal of 1224238 is 8324221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1224233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17970 + ... + 18037.

It is an arithmetic number, because the mean of its divisors is an integer number (243054).

2^1224238 is an apocalyptic number.

1224238 is a deficient number, since it is larger than the sum of its proper divisors (720194).

1224238 is a wasteful number, since it uses less digits than its factorization.

1224238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36026.

The product of its digits is 768, while the sum is 22.

The square root of 1224238 is about 1106.4528909990. The cubic root of 1224238 is about 106.9765575919.

Adding to 1224238 its reverse (8324221), we get a palindrome (9548459).

The spelling of 1224238 in words is "one million, two hundred twenty-four thousand, two hundred thirty-eight".