1224534238 has 4 divisors (see below), whose sum is σ = 1836801360. Its totient is φ = 612267118.

The previous prime is 1224534209. The next prime is 1224534239. The reversal of 1224534238 is 8324354221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 8324354221 = 107 ⋅77797703.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1224534239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 306133558 + ... + 306133561.

It is an arithmetic number, because the mean of its divisors is an integer number (459200340).

Almost surely, 2^1224534238 is an apocalyptic number.

1224534238 is a deficient number, since it is larger than the sum of its proper divisors (612267122).

1224534238 is an equidigital number, since it uses as much as digits as its factorization.

1224534238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 612267121.

The product of its digits is 46080, while the sum is 34.

The square root of 1224534238 is about 34993.3456245613. The cubic root of 1224534238 is about 1069.8518553451.

Adding to 1224534238 its reverse (8324354221), we get a palindrome (9548888459).

The spelling of 1224534238 in words is "one billion, two hundred twenty-four million, five hundred thirty-four thousand, two hundred thirty-eight".