2221434004 has 12 divisors (see below), whose sum is σ = 3921913044. Its totient is φ = 1100887424.

The previous prime is 2221433987. The next prime is 2221434043. The reversal of 2221434004 is 4004341222.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 285610000 + 1935824004 = 16900^2 + 43998^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2456887 + ... + 2457790.

It is an arithmetic number, because the mean of its divisors is an integer number (326826087).

Almost surely, 2^2221434004 is an apocalyptic number.

It is an amenable number.

2221434004 is a deficient number, since it is larger than the sum of its proper divisors (1700479040).

2221434004 is a wasteful number, since it uses less digits than its factorization.

2221434004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4914794 (or 4914792 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 2221434004 is about 47132.0910208745. The cubic root of 2221434004 is about 1304.8015736435.

Adding to 2221434004 its reverse (4004341222), we get a palindrome (6225775226).

The spelling of 2221434004 in words is "two billion, two hundred twenty-one million, four hundred thirty-four thousand, four".