2772212656 has 40 divisors (see below), whose sum is σ = 5495808960. Its totient is φ = 1354051584.

The previous prime is 2772212633. The next prime is 2772212669. The reversal of 2772212656 is 6562122772.

2772212656 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 430710 + ... + 437098.

It is an arithmetic number, because the mean of its divisors is an integer number (137395224).

Almost surely, 2^2772212656 is an apocalyptic number.

It is an amenable number.

2772212656 is a deficient number, since it is larger than the sum of its proper divisors (2723596304).

2772212656 is a wasteful number, since it uses less digits than its factorization.

2772212656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7021 (or 7015 counting only the distinct ones).

The product of its digits is 141120, while the sum is 40.

The square root of 2772212656 is about 52651.8058189840. The cubic root of 2772212656 is about 1404.7817201204.

The spelling of 2772212656 in words is "two billion, seven hundred seventy-two million, two hundred twelve thousand, six hundred fifty-six".