1224254224 has 20 divisors (see below), whose sum is σ = 2436101644. Its totient is φ = 595582848.

The previous prime is 1224254209. The next prime is 1224254237. The reversal of 1224254224 is 4224524221.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 971444224 + 252810000 = 31168^2 + 15900^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1224254192 and 1224254201.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1033407 + ... + 1034590.

Almost surely, 2^1224254224 is an apocalyptic number.

It is an amenable number.

1224254224 is a deficient number, since it is larger than the sum of its proper divisors (1211847420).

1224254224 is a wasteful number, since it uses less digits than its factorization.

1224254224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2068042 (or 2068036 counting only the distinct ones).

The product of its digits is 10240, while the sum is 28.

The square root of 1224254224 is about 34989.3444351277. The cubic root of 1224254224 is about 1069.7703015250.

Adding to 1224254224 its reverse (4224524221), we get a palindrome (5448778445).

It can be divided in two parts, 12242 and 54224, that added together give a palindrome (66466).

The spelling of 1224254224 in words is "one billion, two hundred twenty-four million, two hundred fifty-four thousand, two hundred twenty-four".