3031221224 has 8 divisors (see below), whose sum is σ = 5683539810. Its totient is φ = 1515610608.

The previous prime is 3031221217. The next prime is 3031221241. The reversal of 3031221224 is 4221221303.

3031221224 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 2682204100 + 349017124 = 51790^2 + 18682^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 3031221196 and 3031221205.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 189451319 + ... + 189451334.

Almost surely, 2^3031221224 is an apocalyptic number.

It is an amenable number.

3031221224 is a deficient number, since it is larger than the sum of its proper divisors (2652318586).

3031221224 is a wasteful number, since it uses less digits than its factorization.

3031221224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 378902659 (or 378902655 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 3031221224 is about 55056.5275330728. The cubic root of 3031221224 is about 1447.2355133963.

Adding to 3031221224 its reverse (4221221303), we get a palindrome (7252442527).

The spelling of 3031221224 in words is "three billion, thirty-one million, two hundred twenty-one thousand, two hundred twenty-four".