2216846638 has 16 divisors (see below), whose sum is σ = 3417302304. Its totient is φ = 1077783840.

The previous prime is 2216846627. The next prime is 2216846647. The reversal of 2216846638 is 8366486122.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 120231 + ... + 137437.

It is an arithmetic number, because the mean of its divisors is an integer number (213581394).

Almost surely, 2^2216846638 is an apocalyptic number.

2216846638 is a deficient number, since it is larger than the sum of its proper divisors (1200455666).

2216846638 is a wasteful number, since it uses less digits than its factorization.

2216846638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18987.

The product of its digits is 663552, while the sum is 46.

The square root of 2216846638 is about 47083.4008754678. The cubic root of 2216846638 is about 1303.9027957546.

The spelling of 2216846638 in words is "two billion, two hundred sixteen million, eight hundred forty-six thousand, six hundred thirty-eight".