1224522243 has 12 divisors (see below), whose sum is σ = 2021433648. Its totient is φ = 699726960.

The previous prime is 1224522209. The next prime is 1224522251. The reversal of 1224522243 is 3422254221.

It is not a de Polignac number, because 1224522243 - 2⁶ = 1224522179 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1224522743) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9718368 + ... + 9718493.

It is an arithmetic number, because the mean of its divisors is an integer number (168452804).

Almost surely, 2^1224522243 is an apocalyptic number.

1224522243 is a deficient number, since it is larger than the sum of its proper divisors (796911405).

1224522243 is a wasteful number, since it uses less digits than its factorization.

1224522243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19436874 (or 19436871 counting only the distinct ones).

The product of its digits is 7680, while the sum is 27.

The square root of 1224522243 is about 34993.1742344132. The cubic root of 1224522243 is about 1069.8483620673.

Adding to 1224522243 its reverse (3422254221), we get a palindrome (4646776464).

The spelling of 1224522243 in words is "one billion, two hundred twenty-four million, five hundred twenty-two thousand, two hundred forty-three".