1224866425 has 6 divisors (see below), whose sum is σ = 1518834398. Its totient is φ = 979893120.

The previous prime is 1224866399. The next prime is 1224866453. The reversal of 1224866425 is 5246684221.

It can be written as a sum of positive squares in 3 ways, for example, as 2105401 + 1222761024 = 1451^2 + 34968^2 .

It is not a de Polignac number, because 1224866425 - 2⁷ = 1224866297 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 24497304 + ... + 24497353.

Almost surely, 2^1224866425 is an apocalyptic number.

It is an amenable number.

1224866425 is a deficient number, since it is larger than the sum of its proper divisors (293967973).

1224866425 is an equidigital number, since it uses as much as digits as its factorization.

1224866425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48994667 (or 48994662 counting only the distinct ones).

The product of its digits is 184320, while the sum is 40.

The square root of 1224866425 is about 34998.0917336931. The cubic root of 1224866425 is about 1069.9485883820.

The spelling of 1224866425 in words is "one billion, two hundred twenty-four million, eight hundred sixty-six thousand, four hundred twenty-five".