2215038916 has 12 divisors (see below), whose sum is σ = 3876652332. Its totient is φ = 1107423968.

The previous prime is 2215038913. The next prime is 2215038949. The reversal of 2215038916 is 6198305122.

It can be written as a sum of positive squares in 2 ways, for example, as 1529122816 + 685916100 = 39104^2 + 26190^2 .

It is not an unprimeable number, because it can be changed into a prime (2215038913) 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, 65466 + ... + 93358.

It is an arithmetic number, because the mean of its divisors is an integer number (323054361).

Almost surely, 2^2215038916 is an apocalyptic number.

It is an amenable number.

2215038916 is a deficient number, since it is larger than the sum of its proper divisors (1661613416).

2215038916 is a wasteful number, since it uses less digits than its factorization.

2215038916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47750 (or 47748 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 37.

The square root of 2215038916 is about 47064.1999400818. The cubic root of 2215038916 is about 1303.5482779582.

The spelling of 2215038916 in words is "two billion, two hundred fifteen million, thirty-eight thousand, nine hundred sixteen".