2216432744 has 8 divisors (see below), whose sum is σ = 4155811410. Its totient is φ = 1108216368.

The previous prime is 2216432731. The next prime is 2216432797. The reversal of 2216432744 is 4472346122.

It can be written as a sum of positive squares in only one way, i.e., 1694310244 + 522122500 = 41162^2 + 22850^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 138527039 + ... + 138527054.

Almost surely, 2^2216432744 is an apocalyptic number.

It is an amenable number.

2216432744 is a deficient number, since it is larger than the sum of its proper divisors (1939378666).

2216432744 is a wasteful number, since it uses less digits than its factorization.

2216432744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 277054099 (or 277054095 counting only the distinct ones).

The product of its digits is 64512, while the sum is 35.

The square root of 2216432744 is about 47079.0053420843. The cubic root of 2216432744 is about 1303.8216427744.

Adding to 2216432744 its reverse (4472346122), we get a palindrome (6688778866).

The spelling of 2216432744 in words is "two billion, two hundred sixteen million, four hundred thirty-two thousand, seven hundred forty-four".