2816212388 has 48 divisors (see below), whose sum is σ = 5571236160. Its totient is φ = 1233859200.

The previous prime is 2816212381. The next prime is 2816212397. The reversal of 2816212388 is 8832126182.

It is not an unprimeable number, because it can be changed into a prime (2816212381) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 933803 + ... + 936813.

It is an arithmetic number, because the mean of its divisors is an integer number (116067420).

Almost surely, 2^2816212388 is an apocalyptic number.

It is an amenable number.

2816212388 is a deficient number, since it is larger than the sum of its proper divisors (2755023772).

2816212388 is a wasteful number, since it uses less digits than its factorization.

2816212388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3788 (or 3786 counting only the distinct ones).

The product of its digits is 73728, while the sum is 41.

The square root of 2816212388 is about 53067.9977764377. The cubic root of 2816212388 is about 1412.1748353034.

The spelling of 2816212388 in words is "two billion, eight hundred sixteen million, two hundred twelve thousand, three hundred eighty-eight".