2771228250 has 192 divisors, whose sum is σ = 8610271488. Its totient is φ = 630000000.

The previous prime is 2771228237. The next prime is 2771228279. The reversal of 2771228250 is 528221772.

2771228250 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 95 ways as a sum of consecutive naturals, for example, 3952900 + ... + 3953600.

It is an arithmetic number, because the mean of its divisors is an integer number (44845164).

Almost surely, 2^2771228250 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2771228250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4305135744).

2771228250 is an abundant number, since it is smaller than the sum of its proper divisors (5839043238).

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

2771228250 is a wasteful number, since it uses less digits than its factorization.

2771228250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 982 (or 969 counting only the distinct ones).

The product of its (nonzero) digits is 31360, while the sum is 36.

The square root of 2771228250 is about 52642.4567245869. The cubic root of 2771228250 is about 1404.6154222394.

The spelling of 2771228250 in words is "two billion, seven hundred seventy-one million, two hundred twenty-eight thousand, two hundred fifty".