1224525433 has 16 divisors (see below), whose sum is σ = 1326233920. Its totient is φ = 1127022336.

The previous prime is 1224525413. The next prime is 1224525437. The reversal of 1224525433 is 3345254221.

It is a cyclic number.

It is not a de Polignac number, because 1224525433 - 2⁹ = 1224524921 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1224525395 and 1224525404.

It is not an unprimeable number, because it can be changed into a prime (1224525437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 86341 + ... + 99517.

It is an arithmetic number, because the mean of its divisors is an integer number (82889620).

Almost surely, 2^1224525433 is an apocalyptic number.

It is an amenable number.

1224525433 is a deficient number, since it is larger than the sum of its proper divisors (101708487).

1224525433 is a wasteful number, since it uses less digits than its factorization.

1224525433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13336.

The product of its digits is 28800, while the sum is 31.

The square root of 1224525433 is about 34993.2198147012. The cubic root of 1224525433 is about 1069.8492910863.

Adding to 1224525433 its reverse (3345254221), we get a palindrome (4569779654).

The spelling of 1224525433 in words is "one billion, two hundred twenty-four million, five hundred twenty-five thousand, four hundred thirty-three".