1224003225 has 24 divisors (see below), whose sum is σ = 2088969472. Its totient is φ = 631742400.

The previous prime is 1224003197. The next prime is 1224003227. The reversal of 1224003225 is 5223004221.

1224003225 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1224003225 - 2⁷ = 1224003097 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1224003227) 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, 260902 + ... + 265551.

Almost surely, 2^1224003225 is an apocalyptic number.

1224003225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1224003225 is a deficient number, since it is larger than the sum of its proper divisors (864966247).

1224003225 is a wasteful number, since it uses less digits than its factorization.

1224003225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 526497 (or 526492 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 1224003225 is about 34985.7574592862. The cubic root of 1224003225 is about 1069.6971877270.

Adding to 1224003225 its reverse (5223004221), we get a palindrome (6447007446).

The spelling of 1224003225 in words is "one billion, two hundred twenty-four million, three thousand, two hundred twenty-five".