2266319761 has 4 divisors (see below), whose sum is σ = 2268375552. Its totient is φ = 2264263972.

The previous prime is 2266319747. The next prime is 2266319767. The reversal of 2266319761 is 1679136622.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1679136622 = 2 ⋅839568311.

It is a cyclic number.

It is not a de Polignac number, because 2266319761 - 2⁷ = 2266319633 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2266319767) 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, 1026241 + ... + 1028446.

It is an arithmetic number, because the mean of its divisors is an integer number (567093888).

Almost surely, 2^2266319761 is an apocalyptic number.

It is an amenable number.

2266319761 is a deficient number, since it is larger than the sum of its proper divisors (2055791).

2266319761 is a wasteful number, since it uses less digits than its factorization.

2266319761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2055790.

The product of its digits is 163296, while the sum is 43.

The square root of 2266319761 is about 47605.8794793248. The cubic root of 2266319761 is about 1313.5312068334.

It can be divided in two parts, 22663 and 19761, that added together give a palindrome (42424).

The spelling of 2266319761 in words is "two billion, two hundred sixty-six million, three hundred nineteen thousand, seven hundred sixty-one".