2772772722 has 20 divisors (see below), whose sum is σ = 6213065166. Its totient is φ = 924257520.

The previous prime is 2772772699. The next prime is 2772772747. The reversal of 2772772722 is 2272772772.

It can be written as a sum of positive squares in only one way, i.e., 2707016841 + 65755881 = 52029^2 + 8109^2 .

It is a super-3 number, since 3×2772772722³ (a number of 29 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 8557779 + ... + 8558102.

Almost surely, 2^2772772722 is an apocalyptic number.

2772772722 is an abundant number, since it is smaller than the sum of its proper divisors (3440292444).

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

2772772722 is a wasteful number, since it uses less digits than its factorization.

2772772722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17115895 (or 17115886 counting only the distinct ones).

The product of its digits is 537824, while the sum is 45.

The square root of 2772772722 is about 52657.1241333972. The cubic root of 2772772722 is about 1404.8763157376.

The spelling of 2772772722 in words is "two billion, seven hundred seventy-two million, seven hundred seventy-two thousand, seven hundred twenty-two".