1224240425 has 12 divisors (see below), whose sum is σ = 1518492096. Its totient is φ = 979112400.

The previous prime is 1224240419. The next prime is 1224240463. The reversal of 1224240425 is 5240424221.

It is not a de Polignac number, because 1224240425 - 2¹⁴ = 1224224041 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1224240394 and 1224240403.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 168212 + ... + 175338.

It is an arithmetic number, because the mean of its divisors is an integer number (126541008).

Almost surely, 2^1224240425 is an apocalyptic number.

It is an amenable number.

1224240425 is a deficient number, since it is larger than the sum of its proper divisors (294251671).

1224240425 is an equidigital number, since it uses as much as digits as its factorization.

1224240425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14008 (or 14003 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 26.

The square root of 1224240425 is about 34989.1472459676. The cubic root of 1224240425 is about 1069.7662822575.

Adding to 1224240425 its reverse (5240424221), we get a palindrome (6464664646).

The spelling of 1224240425 in words is "one billion, two hundred twenty-four million, two hundred forty thousand, four hundred twenty-five".