1224313233 has 24 divisors (see below), whose sum is σ = 1928351520. Its totient is φ = 684927360.

The previous prime is 1224313229. The next prime is 1224313273. The reversal of 1224313233 is 3323134221.

It is not a de Polignac number, because 1224313233 - 2² = 1224313229 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1224313273) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 104188 + ... + 115341.

It is an arithmetic number, because the mean of its divisors is an integer number (80347980).

Almost surely, 2^1224313233 is an apocalyptic number.

1224313233 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1224313233 is a deficient number, since it is larger than the sum of its proper divisors (704038287).

1224313233 is a wasteful number, since it uses less digits than its factorization.

1224313233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 219569 (or 219556 counting only the distinct ones).

The product of its digits is 2592, while the sum is 24.

The square root of 1224313233 is about 34990.1876674018. The cubic root of 1224313233 is about 1069.7874888761.

Adding to 1224313233 its reverse (3323134221), we get a palindrome (4547447454).

The spelling of 1224313233 in words is "one billion, two hundred twenty-four million, three hundred thirteen thousand, two hundred thirty-three".