2262809761 has 3 divisors (see below), whose sum is σ = 2262857331. Its totient is φ = 2262762192.

The previous prime is 2262809737. The next prime is 2262809771. The reversal of 2262809761 is 1679082622.

The square root of 2262809761 is 47569.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 1051769761 + 1211040000 = 32431^2 + 34800^2 .

It is not a de Polignac number, because 2262809761 - 2⁹ = 2262809249 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2262809771) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 23785 + ... + 71353.

It is an arithmetic number, because the mean of its divisors is an integer number (754285777).

Almost surely, 2^2262809761 is an apocalyptic number.

2262809761 is the 47569-th square number.

2262809761 is the 23785-th centered octagonal number.

It is an amenable number.

2262809761 is a deficient number, since it is larger than the sum of its proper divisors (47570).

2262809761 is an frugal number, since it uses more digits than its factorization.

2262809761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95138 (or 47569 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 43.

The cubic root of 2262809761 is about 1312.8527387640.

The spelling of 2262809761 in words is "two billion, two hundred sixty-two million, eight hundred nine thousand, seven hundred sixty-one".