2215626688 has 28 divisors (see below), whose sum is σ = 4796329752. Its totient is φ = 1007102720.

The previous prime is 2215626629. The next prime is 2215626697. The reversal of 2215626688 is 8866265122.

It is a Smith number, since the sum of its digits (46) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

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, 1572895 + ... + 1574302.

Almost surely, 2^2215626688 is an apocalyptic number.

It is an amenable number.

2215626688 is an abundant number, since it is smaller than the sum of its proper divisors (2580703064).

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

2215626688 is a wasteful number, since it uses less digits than its factorization.

2215626688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3147220 (or 3147210 counting only the distinct ones).

The product of its digits is 552960, while the sum is 46.

The square root of 2215626688 is about 47070.4438899826. The cubic root of 2215626688 is about 1303.6635688472.

The spelling of 2215626688 in words is "two billion, two hundred fifteen million, six hundred twenty-six thousand, six hundred eighty-eight".