2276011721 has 4 divisors (see below), whose sum is σ = 2331524244. Its totient is φ = 2220499200.

The previous prime is 2276011711. The next prime is 2276011757. The reversal of 2276011721 is 1271106722.

2276011721 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 371911225 + 1904100496 = 19285^2 + 43636^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2276011721 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2276011711) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27756200 + ... + 27756281.

It is an arithmetic number, because the mean of its divisors is an integer number (582881061).

Almost surely, 2^2276011721 is an apocalyptic number.

It is an amenable number.

2276011721 is a deficient number, since it is larger than the sum of its proper divisors (55512523).

2276011721 is an equidigital number, since it uses as much as digits as its factorization.

2276011721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55512522.

The product of its (nonzero) digits is 2352, while the sum is 29.

The square root of 2276011721 is about 47707.5646098184. The cubic root of 2276011721 is about 1315.4009911191.

The spelling of 2276011721 in words is "two billion, two hundred seventy-six million, eleven thousand, seven hundred twenty-one".