2216277444 has 12 divisors (see below), whose sum is σ = 5171314064. Its totient is φ = 738759144.

The previous prime is 2216277443. The next prime is 2216277463. The reversal of 2216277444 is 4447726122.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (2216277443) 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 3 ways as a sum of consecutive naturals, for example, 92344882 + ... + 92344905.

Almost surely, 2^2216277444 is an apocalyptic number.

It is an amenable number.

2216277444 is an abundant number, since it is smaller than the sum of its proper divisors (2955036620).

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

2216277444 is a wasteful number, since it uses less digits than its factorization.

2216277444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184689794 (or 184689792 counting only the distinct ones).

The product of its digits is 150528, while the sum is 39.

The square root of 2216277444 is about 47077.3559580400. The cubic root of 2216277444 is about 1303.7911902029.

The spelling of 2216277444 in words is "two billion, two hundred sixteen million, two hundred seventy-seven thousand, four hundred forty-four".