2216223432 has 24 divisors (see below), whose sum is σ = 6002271990. Its totient is φ = 738741120.

The previous prime is 2216223371. The next prime is 2216223437. The reversal of 2216223432 is 2343226122.

It is a happy number.

2216223432 is a `hidden beast` number, since 2 + 2 + 1 + 6 + 223 + 432 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1181571876 + 1034651556 = 34374^2 + 32166^2 .

It is a tau number, because it is divible by the number of its divisors (24).

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

It is a junction number, because it is equal to n+sod(n) for n = 2216223396 and 2216223405.

It is not an unprimeable number, because it can be changed into a prime (2216223437) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 15390369 + ... + 15390512.

Almost surely, 2^2216223432 is an apocalyptic number.

It is an amenable number.

2216223432 is an abundant number, since it is smaller than the sum of its proper divisors (3786048558).

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

2216223432 is a wasteful number, since it uses less digits than its factorization.

2216223432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30780893 (or 30780886 counting only the distinct ones).

The product of its digits is 6912, while the sum is 27.

The square root of 2216223432 is about 47076.7823029569. The cubic root of 2216223432 is about 1303.7805987278.

Adding to 2216223432 its reverse (2343226122), we get a palindrome (4559449554).

The spelling of 2216223432 in words is "two billion, two hundred sixteen million, two hundred twenty-three thousand, four hundred thirty-two".