2215388912 has 40 divisors (see below), whose sum is σ = 4809095472. Its totient is φ = 979776000.

The previous prime is 2215388897. The next prime is 2215388933. The reversal of 2215388912 is 2198835122.

It is a self number, because there is not a number n which added to its sum of digits gives 2215388912.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 163589 + ... + 176612.

Almost surely, 2^2215388912 is an apocalyptic number.

2215388912 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2215388912 is an abundant number, since it is smaller than the sum of its proper divisors (2593706560).

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

2215388912 is a wasteful number, since it uses less digits than its factorization.

2215388912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 340257 (or 340251 counting only the distinct ones).

The product of its digits is 69120, while the sum is 41.

The square root of 2215388912 is about 47067.9180759039. The cubic root of 2215388912 is about 1303.6169317791.

The spelling of 2215388912 in words is "two billion, two hundred fifteen million, three hundred eighty-eight thousand, nine hundred twelve".