2221434324 has 72 divisors (see below), whose sum is σ = 5927361440. Its totient is φ = 699544512.

The previous prime is 2221434283. The next prime is 2221434329. The reversal of 2221434324 is 4234341222.

2221434324 is a `hidden beast` number, since 2 + 221 + 4 + 3 + 432 + 4 = 666.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2221434329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 250779 + ... + 259485.

Almost surely, 2^2221434324 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2221434324, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2963680720).

2221434324 is an abundant number, since it is smaller than the sum of its proper divisors (3705927116).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2221434324 is a wasteful number, since it uses less digits than its factorization.

2221434324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9109 (or 9104 counting only the distinct ones).

The product of its digits is 9216, while the sum is 27.

The square root of 2221434324 is about 47132.0944155890. The cubic root of 2221434324 is about 1304.8016362962.

Adding to 2221434324 its reverse (4234341222), we get a palindrome (6455775546).

The spelling of 2221434324 in words is "two billion, two hundred twenty-one million, four hundred thirty-four thousand, three hundred twenty-four".