1224456225 has 24 divisors (see below), whose sum is σ = 2026045920. Its totient is φ = 652523520.

The previous prime is 1224456217. The next prime is 1224456227. The reversal of 1224456225 is 5226544221.

It is not a de Polignac number, because 1224456225 - 2³ = 1224456217 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1224456227) 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, 99882 + ... + 111468.

It is an arithmetic number, because the mean of its divisors is an integer number (84418580).

Almost surely, 2^1224456225 is an apocalyptic number.

1224456225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1224456225 is a deficient number, since it is larger than the sum of its proper divisors (801589695).

1224456225 is a wasteful number, since it uses less digits than its factorization.

1224456225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13009 (or 13004 counting only the distinct ones).

The product of its digits is 38400, while the sum is 33.

The square root of 1224456225 is about 34992.2309234493. The cubic root of 1224456225 is about 1069.8291353801.

The spelling of 1224456225 in words is "one billion, two hundred twenty-four million, four hundred fifty-six thousand, two hundred twenty-five".