2221504432 has 20 divisors (see below), whose sum is σ = 4919045776. Its totient is φ = 952073280.

The previous prime is 2221504421. The next prime is 2221504451. The reversal of 2221504432 is 2344051222.

It is a junction number, because it is equal to n+sod(n) for n = 2221504397 and 2221504406.

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, 9917319 + ... + 9917542.

Almost surely, 2^2221504432 is an apocalyptic number.

It is an amenable number.

2221504432 is an abundant number, since it is smaller than the sum of its proper divisors (2697541344).

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

2221504432 is a wasteful number, since it uses less digits than its factorization.

2221504432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19834876 (or 19834870 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 25.

The square root of 2221504432 is about 47132.8381492140. The cubic root of 2221504432 is about 1304.8153625735.

Adding to 2221504432 its reverse (2344051222), we get a palindrome (4565555654).

The spelling of 2221504432 in words is "two billion, two hundred twenty-one million, five hundred four thousand, four hundred thirty-two".