2771022725 has 12 divisors (see below), whose sum is σ = 3466479396. Its totient is φ = 2197198080.

The previous prime is 2771022721. The next prime is 2771022731. The reversal of 2771022725 is 5272201772.

It can be written as a sum of positive squares in 6 ways, for example, as 68790436 + 2702232289 = 8294^2 + 51983^2 .

It is not a de Polignac number, because 2771022725 - 2² = 2771022721 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2771022721) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 487622 + ... + 493271.

It is an arithmetic number, because the mean of its divisors is an integer number (288873283).

Almost surely, 2^2771022725 is an apocalyptic number.

2771022725 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2771022725 is a deficient number, since it is larger than the sum of its proper divisors (695456671).

2771022725 is a wasteful number, since it uses less digits than its factorization.

2771022725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 981016 (or 981011 counting only the distinct ones).

The product of its (nonzero) digits is 27440, while the sum is 35.

The square root of 2771022725 is about 52640.5046043444. The cubic root of 2771022725 is about 1404.5806974777.

The spelling of 2771022725 in words is "two billion, seven hundred seventy-one million, twenty-two thousand, seven hundred twenty-five".