2276722687 has 4 divisors (see below), whose sum is σ = 2276883000. Its totient is φ = 2276562376.

The previous prime is 2276722667. The next prime is 2276722697. The reversal of 2276722687 is 7862276722.

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

It is a cyclic number.

It is not a de Polignac number, because 2276722687 - 2⁷ = 2276722559 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2276722687.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2276722607) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56533 + ... + 88030.

It is an arithmetic number, because the mean of its divisors is an integer number (569220750).

Almost surely, 2^2276722687 is an apocalyptic number.

2276722687 is a deficient number, since it is larger than the sum of its proper divisors (160313).

2276722687 is a wasteful number, since it uses less digits than its factorization.

2276722687 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160312.

The product of its digits is 1580544, while the sum is 49.

The square root of 2276722687 is about 47715.0153201275. The cubic root of 2276722687 is about 1315.5379423793.

It can be divided in two parts, 22767 and 22687, that added together give a palindrome (45454).

The spelling of 2276722687 in words is "two billion, two hundred seventy-six million, seven hundred twenty-two thousand, six hundred eighty-seven".