1224224002 has 16 divisors (see below), whose sum is σ = 1900530072. Its totient is φ = 591022080.

The previous prime is 1224223997. The next prime is 1224224003. The reversal of 1224224002 is 2004224221.

It can be written as a sum of positive squares in 4 ways, for example, as 384905161 + 839318841 = 19619^2 + 28971^2 .

It is not an unprimeable number, because it can be changed into a prime (1224224003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69003 + ... + 84910.

Almost surely, 2^1224224002 is an apocalyptic number.

1224224002 is a deficient number, since it is larger than the sum of its proper divisors (676306070).

1224224002 is a wasteful number, since it uses less digits than its factorization.

1224224002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154053.

The product of its (nonzero) digits is 512, while the sum is 19.

The square root of 1224224002 is about 34988.9125581233. The cubic root of 1224224002 is about 1069.7614986518.

Adding to 1224224002 its reverse (2004224221), we get a palindrome (3228448223).

The spelling of 1224224002 in words is "one billion, two hundred twenty-four million, two hundred twenty-four thousand, two".