2227057765 has 4 divisors (see below), whose sum is σ = 2672469324. Its totient is φ = 1781646208.

The previous prime is 2227057751. The next prime is 2227057829. The reversal of 2227057765 is 5677507222.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1241223361 + 985834404 = 35231^2 + 31398^2 .

It is a cyclic number.

It is not a de Polignac number, because 2227057765 - 2⁵ = 2227057733 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 222705772 + ... + 222705781.

It is an arithmetic number, because the mean of its divisors is an integer number (668117331).

Almost surely, 2^2227057765 is an apocalyptic number.

It is an amenable number.

2227057765 is a deficient number, since it is larger than the sum of its proper divisors (445411559).

2227057765 is an equidigital number, since it uses as much as digits as its factorization.

2227057765 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 445411558.

The product of its (nonzero) digits is 411600, while the sum is 43.

The square root of 2227057765 is about 47191.7128847852. The cubic root of 2227057765 is about 1305.9017201711.

The spelling of 2227057765 in words is "two billion, two hundred twenty-seven million, fifty-seven thousand, seven hundred sixty-five".